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230121010013 = 2771447574127
BaseRepresentation
bin1101011001010001000…
…1111111001101011101
3210222222112021112101212
43112110101333031131
512232241434310023
6253414403514205
722424420211506
oct3262421771535
9728875245355
10230121010013
1189659346904
1238723088965
13189147a2b1b
14b1d0629bad
155ebca02e78
hex359447f35d

230121010013 has 8 divisors (see below), whose sum is σ = 231111781632. Its totient is φ = 229131390096.

The previous prime is 230121009973. The next prime is 230121010037. The reversal of 230121010013 is 310010121032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230121010013 - 218 = 230120747869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230121010013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230121013013) 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, 113756 + ... + 687882.

It is an arithmetic number, because the mean of its divisors is an integer number (28888972704).

Almost surely, 2230121010013 is an apocalyptic number.

It is an amenable number.

230121010013 is a deficient number, since it is larger than the sum of its proper divisors (990771619).

230121010013 is a wasteful number, since it uses less digits than its factorization.

230121010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575851.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 230121010013 its reverse (310010121032), we get a palindrome (540131131045).

The spelling of 230121010013 in words is "two hundred thirty billion, one hundred twenty-one million, ten thousand, thirteen".

Divisors: 1 277 1447 400819 574127 159033179 830761769 230121010013