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230221902956 = 2257555475739
BaseRepresentation
bin1101011001101001001…
…0110111010001101100
3211000020120010102111112
43112122102313101230
512232443301343311
6253432410211152
722430053613153
oct3263222672154
9730216112445
10230221902956
1189700298201
1238750a23ab8
131892c669ba6
14b1ddbb059a
155ec67d228b
hex359a4b746c

230221902956 has 6 divisors (see below), whose sum is σ = 402888330180. Its totient is φ = 115110951476.

The previous prime is 230221902947. The next prime is 230221902991. The reversal of 230221902956 is 659209122032.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28777737866 + ... + 28777737873.

It is an arithmetic number, because the mean of its divisors is an integer number (67148055030).

Almost surely, 2230221902956 is an apocalyptic number.

It is an amenable number.

230221902956 is a deficient number, since it is larger than the sum of its proper divisors (172666427224).

230221902956 is a wasteful number, since it uses less digits than its factorization.

230221902956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57555475743 (or 57555475741 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 230221902956 in words is "two hundred thirty billion, two hundred twenty-one million, nine hundred two thousand, nine hundred fifty-six".

Divisors: 1 2 4 57555475739 115110951478 230221902956