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3103213120 = 26572197909
BaseRepresentation
bin1011100011110111…
…0100011001000000
322000021020120010021
42320331310121000
522323410304440
61231532343224
7136620606400
oct27075643100
98007216107
103103213120
111352756a47
12727314b14
133a5bb16a7
142161d2800
1513268084a
hexb8f74640

3103213120 has 84 divisors (see below), whose sum is σ = 8596022940. Its totient is φ = 1063953408.

The previous prime is 3103213093. The next prime is 3103213159. The reversal of 3103213120 is 213123013.

It can be written as a sum of positive squares in 2 ways, for example, as 762201664 + 2341011456 = 27608^2 + 48384^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 3103213094 and 3103213103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83275 + ... + 114634.

Almost surely, 23103213120 is an apocalyptic number.

It is an amenable number.

3103213120 is an abundant number, since it is smaller than the sum of its proper divisors (5492809820).

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

3103213120 is a wasteful number, since it uses less digits than its factorization.

3103213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197940 (or 197923 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3103213120 is about 55706.4908246786. The cubic root of 3103213120 is about 1458.6033306316.

Adding to 3103213120 its reverse (213123013), we get a palindrome (3316336133).

The spelling of 3103213120 in words is "three billion, one hundred three million, two hundred thirteen thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 140 160 196 224 245 280 320 392 448 490 560 784 980 1120 1568 1960 2240 3136 3920 7840 15680 197909 395818 791636 989545 1385363 1583272 1979090 2770726 3166544 3958180 5541452 6333088 6926815 7916360 9697541 11082904 12666176 13853630 15832720 19395082 22165808 27707260 31665440 38790164 44331616 48487705 55414520 63330880 77580328 88663232 96975410 110829040 155160656 193950820 221658080 310321312 387901640 443316160 620642624 775803280 1551606560 3103213120