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23100103001 = 97723643913
BaseRepresentation
bin10101100000110111…
…111001100101011001
32012121212220211002102
4111200313321211121
5334302111244001
614340111213145
71445304431033
oct254067714531
965555824072
1023100103001
119884451318
1245882171b5
132241a3a801
141191d08c53
15902ed4e6b
hex560df9959

23100103001 has 4 divisors (see below), whose sum is σ = 23123747892. Its totient is φ = 23076458112.

The previous prime is 23100102989. The next prime is 23100103007. The reversal of 23100103001 is 10030100132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9104976400 + 13995126601 = 95420^2 + 118301^2 .

It is a cyclic number.

It is not a de Polignac number, because 23100103001 - 210 = 23100101977 is a prime.

It is a super-2 number, since 2×231001030012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23100103007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11820980 + ... + 11822933.

It is an arithmetic number, because the mean of its divisors is an integer number (5780936973).

Almost surely, 223100103001 is an apocalyptic number.

It is an amenable number.

23100103001 is a deficient number, since it is larger than the sum of its proper divisors (23644891).

23100103001 is an equidigital number, since it uses as much as digits as its factorization.

23100103001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23644890.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 23100103001 its reverse (10030100132), we get a palindrome (33130203133).

The spelling of 23100103001 in words is "twenty-three billion, one hundred million, one hundred three thousand, one".

Divisors: 1 977 23643913 23100103001