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230031212049 = 3231824484631
BaseRepresentation
bin1101011000111011101…
…1011011111000010001
3210222202021022022202100
43112032323123320101
512232100442241144
6253401435111013
722422250020042
oct3261673337021
9728667268670
10230031212049
1189612693311
12386b8ba2469
13188cbcc1b32
14b1c27328c9
155eb4bb6269
hex358eedbe11

230031212049 has 12 divisors (see below), whose sum is σ = 342985606912. Its totient is φ = 148407233400.

The previous prime is 230031212009. The next prime is 230031212051. The reversal of 230031212049 is 940212130032.

It is a happy number.

230031212049 is a `hidden beast` number, since 2 + 300 + 312 + 1 + 2 + 0 + 49 = 666.

It is not a de Polignac number, because 230031212049 - 211 = 230031210001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230031212009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412242037 + ... + 412242594.

Almost surely, 2230031212049 is an apocalyptic number.

It is an amenable number.

230031212049 is a deficient number, since it is larger than the sum of its proper divisors (112954394863).

230031212049 is a wasteful number, since it uses less digits than its factorization.

230031212049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824484668 (or 824484665 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 230031212049 in words is "two hundred thirty billion, thirty-one million, two hundred twelve thousand, forty-nine".

Divisors: 1 3 9 31 93 279 824484631 2473453893 7420361679 25559023561 76677070683 230031212049