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3143513220 = 2235471114721
BaseRepresentation
bin1011101101011110…
…0011010010000100
322010002002000110120
42323113203102010
522414214410340
61235532221540
7140620264401
oct27327432204
98102060416
103143513220
111373482011
1273890a8b0
133b13519c3
1421b6c32a8
15135e914d0
hexbb5e3484

3143513220 has 48 divisors (see below), whose sum is σ = 8989118208. Its totient is φ = 820433920.

The previous prime is 3143513179. The next prime is 3143513221. The reversal of 3143513220 is 223153413.

3143513220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3143513221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554541 + ... + 560180.

It is an arithmetic number, because the mean of its divisors is an integer number (187273296).

Almost surely, 23143513220 is an apocalyptic number.

3143513220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3143513220 is an abundant number, since it is smaller than the sum of its proper divisors (5845604988).

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

3143513220 is a wasteful number, since it uses less digits than its factorization.

3143513220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114780 (or 1114778 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 3143513220 is about 56067.0421905775. The cubic root of 3143513220 is about 1464.8902789924.

Adding to 3143513220 its reverse (223153413), we get a palindrome (3366666633).

The spelling of 3143513220 in words is "three billion, one hundred forty-three million, five hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 1114721 2229442 3344163 4458884 5573605 6688326 11147210 13376652 16720815 22294420 33441630 52391887 66883260 104783774 157175661 209567548 261959435 314351322 523918870 628702644 785878305 1047837740 1571756610 3143513220