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10232102101 = 13787084777
BaseRepresentation
bin10011000011110000…
…10111110011010101
3222102002111122100111
421201320113303111
5131423404231401
64411153243021
7511363301314
oct114170276325
928362448314
1010232102101
114380833831
121b96863471
13c70b044b0
146d0d0027b
153ed458e51
hex261e17cd5

10232102101 has 4 divisors (see below), whose sum is σ = 11019186892. Its totient is φ = 9445017312.

The previous prime is 10232102093. The next prime is 10232102107. The reversal of 10232102101 is 10120123201.

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 6456122500 + 3775979601 = 80350^2 + 61449^2 .

It is a cyclic number.

It is not a de Polignac number, because 10232102101 - 23 = 10232102093 is a prime.

It is a super-2 number, since 2×102321021012 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 787084777 = 10232102101 / (1 + 0 + 2 + 3 + 2 + 1 + 0 + 2 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10232102107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393542376 + ... + 393542401.

It is an arithmetic number, because the mean of its divisors is an integer number (2754796723).

Almost surely, 210232102101 is an apocalyptic number.

It is an amenable number.

10232102101 is a deficient number, since it is larger than the sum of its proper divisors (787084791).

10232102101 is an equidigital number, since it uses as much as digits as its factorization.

10232102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787084790.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10232102101 its reverse (10120123201), we get a palindrome (20352225302).

The spelling of 10232102101 in words is "ten billion, two hundred thirty-two million, one hundred two thousand, one hundred one".

Divisors: 1 13 787084777 10232102101