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230918148864 = 2835133161151
BaseRepresentation
bin1101011100001111001…
…0110101001100000000
3211002001002020101100000
43113003302311030000
512240410021230424
6254025441200000
722453236610464
oct3270362651400
9732032211300
10230918148864
1189a28303047
1238906030000
1318a10993610
14b26844c4a4
1560179b23c9
hex35c3cb5300

230918148864 has 864 divisors, whose sum is σ = 785299959808. Its totient is φ = 67184640000.

The previous prime is 230918148847. The next prime is 230918148869. The reversal of 230918148864 is 468841819032.

It is a happy number.

230918148864 is a `hidden beast` number, since 23 + 0 + 9 + 1 + 81 + 488 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 230918148864.

It is not an unprimeable number, because it can be changed into a prime (230918148869) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 1529259189 + ... + 1529259339.

Almost surely, 2230918148864 is an apocalyptic number.

230918148864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230918148864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392649979904).

230918148864 is an abundant number, since it is smaller than the sum of its proper divisors (554381810944).

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

230918148864 is a wasteful number, since it uses less digits than its factorization.

230918148864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 230918148864 in words is "two hundred thirty billion, nine hundred eighteen million, one hundred forty-eight thousand, eight hundred sixty-four".