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3857442612 = 223321453551
BaseRepresentation
bin1110010111101011…
…1110011100110100
3100221211110101110220
43211322332130310
530400001130422
61434434214340
7164406502242
oct34572763464
910854411426
103857442612
1116aa475801
128b7a243b0
1349622a32a
14288445792
151789b5e5c
hexe5ebe734

3857442612 has 12 divisors (see below), whose sum is σ = 9000699456. Its totient is φ = 1285814200.

The previous prime is 3857442599. The next prime is 3857442683. The reversal of 3857442612 is 2162447583.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×38574426123 (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160726764 + ... + 160726787.

It is an arithmetic number, because the mean of its divisors is an integer number (750058288).

Almost surely, 23857442612 is an apocalyptic number.

It is an amenable number.

3857442612 is an abundant number, since it is smaller than the sum of its proper divisors (5143256844).

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

3857442612 is a wasteful number, since it uses less digits than its factorization.

3857442612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321453558 (or 321453556 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 3857442612 is about 62108.3135497978. The cubic root of 3857442612 is about 1568.3145003999.

The spelling of 3857442612 in words is "three billion, eight hundred fifty-seven million, four hundred forty-two thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 321453551 642907102 964360653 1285814204 1928721306 3857442612