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3185059313 = 149137315569
BaseRepresentation
bin1011110111011000…
…0010010111110001
322012222020202222202
42331312002113301
523010333344223
61244014512545
7141633362132
oct27566022761
98188222882
103185059313
111394979227
1274a805755
133b9b3a1a7
14223019c89
1513994b428
hexbdd825f1

3185059313 has 8 divisors (see below), whose sum is σ = 3208977000. Its totient is φ = 3161175808.

The previous prime is 3185059303. The next prime is 3185059349. The reversal of 3185059313 is 3139505813.

It can be written as a sum of positive squares in 4 ways, for example, as 601573729 + 2583485584 = 24527^2 + 50828^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3185059313 - 218 = 3184797169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3185059303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196793 + ... + 212361.

It is an arithmetic number, because the mean of its divisors is an integer number (401122125).

Almost surely, 23185059313 is an apocalyptic number.

It is an amenable number.

3185059313 is a deficient number, since it is larger than the sum of its proper divisors (23917687).

3185059313 is a wasteful number, since it uses less digits than its factorization.

3185059313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17091.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 3185059313 is about 56436.3297265157. The cubic root of 3185059313 is about 1471.3156058143.

The spelling of 3185059313 in words is "three billion, one hundred eighty-five million, fifty-nine thousand, three hundred thirteen".

Divisors: 1 149 1373 15569 204577 2319781 21376237 3185059313