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230302312144 = 24173112722507
BaseRepresentation
bin1101011001111100010…
…1100110011011010000
3211000110011102122011121
43112133011212123100
512233124342442034
6253444401452024
722432051232242
oct3263705463320
9730404378147
10230302312144
1189741718883
1238773941014
13189432115a8
14b20a742092
155ecd8b71b4
hex359f1666d0

230302312144 has 40 divisors (see below), whose sum is σ = 473977752768. Its totient is φ = 108029038080.

The previous prime is 230302312129. The next prime is 230302312147. The reversal of 230302312144 is 441213203032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230302312147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276662 + ... + 1445845.

Almost surely, 2230302312144 is an apocalyptic number.

It is an amenable number.

230302312144 is an abundant number, since it is smaller than the sum of its proper divisors (243675440624).

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

230302312144 is a wasteful number, since it uses less digits than its factorization.

230302312144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722843 (or 2722837 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 230302312144 its reverse (441213203032), we get a palindrome (671515515176).

The spelling of 230302312144 in words is "two hundred thirty billion, three hundred two million, three hundred twelve thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 17 34 68 136 272 311 622 1244 2488 4976 5287 10574 21148 42296 84592 2722507 5445014 10890028 21780056 43560112 46282619 92565238 185130476 370260952 740521904 846699677 1693399354 3386798708 6773597416 13547194832 14393894509 28787789018 57575578036 115151156072 230302312144