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2097612956 = 221229426691
BaseRepresentation
bin111110100000111…
…0000100010011100
312102012000210000202
41331001300202130
513243442103311
6544051043032
7102660262445
oct17501604234
95365023022
102097612956
1198705872a
124a65a0478
132757634ca
1415c8282cc
15c4244e3b
hex7d07089c

2097612956 has 12 divisors (see below), whose sum is σ = 3673818120. Its totient is φ = 1047950640.

The previous prime is 2097612943. The next prime is 2097612967. The reversal of 2097612956 is 6592167902.

It is a super-2 number, since 2×20976129562 = 8799960226358115872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2097612956.

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, 208430 + ... + 218261.

It is an arithmetic number, because the mean of its divisors is an integer number (306151510).

Almost surely, 22097612956 is an apocalyptic number.

It is an amenable number.

2097612956 is a deficient number, since it is larger than the sum of its proper divisors (1576205164).

2097612956 is a wasteful number, since it uses less digits than its factorization.

2097612956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427924 (or 427922 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 2097612956 is about 45799.7047588737. The cubic root of 2097612956 is about 1280.0937748680.

The spelling of 2097612956 in words is "two billion, ninety-seven million, six hundred twelve thousand, nine hundred fifty-six".

Divisors: 1 2 4 1229 2458 4916 426691 853382 1706764 524403239 1048806478 2097612956