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230312552172 = 22325447754223
BaseRepresentation
bin1101011001111110110…
…0101010011011101100
3211000110212200212211220
43112133230222123230
512233140003132142
6253445405143340
722432234251453
oct3263754523354
9730425625756
10230312552172
118974748230a
123877725ab50
1318945388491
14b20bc49b9a
155ece73b2ec
hex359fb2a6ec

230312552172 has 24 divisors (see below), whose sum is σ = 537417785856. Its totient is φ = 76767732048.

The previous prime is 230312552143. The next prime is 230312552333. The reversal of 230312552172 is 271255213032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71748 + ... + 682475.

It is an arithmetic number, because the mean of its divisors is an integer number (22392407744).

Almost surely, 2230312552172 is an apocalyptic number.

It is an amenable number.

230312552172 is an abundant number, since it is smaller than the sum of its proper divisors (307105233684).

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

230312552172 is a wasteful number, since it uses less digits than its factorization.

230312552172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779677 (or 779675 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 230312552172 in words is "two hundred thirty billion, three hundred twelve million, five hundred fifty-two thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 25447 50894 76341 101788 152682 305364 754223 1508446 2262669 3016892 4525338 9050676 19192712681 38385425362 57578138043 76770850724 115156276086 230312552172