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3311052157 = 72193556447
BaseRepresentation
bin1100010101011010…
…1010010101111101
322112202022212200101
43011112222111331
523240112132112
61304315201101
7145023323200
oct30526522575
98482285611
103311052157
11144a003546
12784a46191
13409c81a7a
14235a55937
15145a37757
hexc55aa57d

3311052157 has 12 divisors (see below), whose sum is σ = 4054350720. Its totient is φ = 2688673176.

The previous prime is 3311052133. The next prime is 3311052161. The reversal of 3311052157 is 7512501133.

It is not a de Polignac number, because 3311052157 - 211 = 3311050109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311053157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1777293 + ... + 1779154.

It is an arithmetic number, because the mean of its divisors is an integer number (337862560).

Almost surely, 23311052157 is an apocalyptic number.

It is an amenable number.

3311052157 is a deficient number, since it is larger than the sum of its proper divisors (743298563).

3311052157 is a wasteful number, since it uses less digits than its factorization.

3311052157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556480 (or 3556473 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 3311052157 is about 57541.7427351657. The cubic root of 3311052157 is about 1490.4657728867.

The spelling of 3311052157 in words is "three billion, three hundred eleven million, fifty-two thousand, one hundred fifty-seven".

Divisors: 1 7 19 49 133 931 3556447 24895129 67572493 174265903 473007451 3311052157