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23013130103 = 71324128593
BaseRepresentation
bin10101011011101100…
…000111111101110111
32012101211021010200222
4111123230013331313
5334112330130403
614323323124555
71443200243525
oct253354077567
965354233628
1023013130103
11983a348297
12456307375b
132229a08662
141184549315
158ea555338
hex55bb07f77

23013130103 has 4 divisors (see below), whose sum is σ = 23337258768. Its totient is φ = 22689001440.

The previous prime is 23013130097. The next prime is 23013130111. The reversal of 23013130103 is 30103131032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23013130103 - 28 = 23013129847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013130183) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 162064226 + ... + 162064367.

It is an arithmetic number, because the mean of its divisors is an integer number (5834314692).

Almost surely, 223013130103 is an apocalyptic number.

23013130103 is a deficient number, since it is larger than the sum of its proper divisors (324128665).

23013130103 is an equidigital number, since it uses as much as digits as its factorization.

23013130103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324128664.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 23013130103 its reverse (30103131032), we get a palindrome (53116261135).

The spelling of 23013130103 in words is "twenty-three billion, thirteen million, one hundred thirty thousand, one hundred three".

Divisors: 1 71 324128593 23013130103