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3143203020 = 2232547794703
BaseRepresentation
bin1011101101011001…
…0111100011001100
322010001111020221200
42323112113203030
522414124444040
61235521425500
7140614533126
oct27326274314
98101436850
103143203020
11137328aa51
1273879b290
133b1273759
1421b642216
15135e2e630
hexbb5978cc

3143203020 has 144 divisors (see below), whose sum is σ = 9862594560. Its totient is φ = 809797248.

The previous prime is 3143203013. The next prime is 3143203027. The reversal of 3143203020 is 203023413.

3143203020 is a `hidden beast` number, since 314 + 320 + 30 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (3143203013) and next prime (3143203027).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3143202984 and 3143203002.

It is not an unprimeable number, because it can be changed into a prime (3143203027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 665989 + ... + 670691.

It is an arithmetic number, because the mean of its divisors is an integer number (68490240).

Almost surely, 23143203020 is an apocalyptic number.

3143203020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3143203020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4931297280).

3143203020 is an abundant number, since it is smaller than the sum of its proper divisors (6719391540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3143203020 is a wasteful number, since it uses less digits than its factorization.

3143203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844 (or 4839 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3143203020 is about 56064.2757912737. The cubic root of 3143203020 is about 1464.8420925758.

Adding to 3143203020 its reverse (203023413), we get a palindrome (3346226433).

The spelling of 3143203020 in words is "three billion, one hundred forty-three million, two hundred three thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 47 60 79 90 94 141 158 180 188 235 237 282 316 395 423 470 474 564 705 711 790 846 940 948 1185 1410 1422 1580 1692 2115 2370 2820 2844 3555 3713 4230 4703 4740 7110 7426 8460 9406 11139 14109 14220 14852 18565 18812 22278 23515 28218 33417 37130 42327 44556 47030 55695 56436 66834 70545 74260 84654 94060 111390 133668 141090 167085 169308 211635 221041 222780 282180 334170 371537 423270 442082 663123 668340 743074 846540 884164 1105205 1114611 1326246 1486148 1857685 1989369 2210410 2229222 2652492 3315615 3343833 3715370 3978738 4420820 4458444 5573055 6631230 6687666 7430740 7957476 9946845 11146110 13262460 13375332 16719165 17462239 19893690 22292220 33438330 34924478 39787380 52386717 66876660 69848956 87311195 104773434 157160151 174622390 209546868 261933585 314320302 349244780 523867170 628640604 785800755 1047734340 1571601510 3143203020