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230149891516 = 22121634730533
BaseRepresentation
bin1101011001011000000…
…0001010010110111100
3211000001112121212101011
43112112000022112330
512232321333012031
6253421314525004
722425220541236
oct3262600122674
9730045555334
10230149891516
1189673682a16
1238730896764
131891a77597c
14b1d43c7256
155ec030a6b1
hex359600a5bc

230149891516 has 12 divisors (see below), whose sum is σ = 402795509032. Its totient is φ = 115065460368.

The previous prime is 230149891471. The next prime is 230149891547. The reversal of 230149891516 is 615198941032.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 230149891516.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2316615 + ... + 2413918.

Almost surely, 2230149891516 is an apocalyptic number.

It is an amenable number.

230149891516 is a deficient number, since it is larger than the sum of its proper divisors (172645617516).

230149891516 is a wasteful number, since it uses less digits than its factorization.

230149891516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742700 (or 4742698 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 230149891516 in words is "two hundred thirty billion, one hundred forty-nine million, eight hundred ninety-one thousand, five hundred sixteen".

Divisors: 1 2 4 12163 24326 48652 4730533 9461066 18922132 57537472879 115074945758 230149891516