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10123311301 = 64491569749
BaseRepresentation
bin10010110110110010…
…10111100011000101
3222010111210111102121
421123121113203011
5131213031430201
64352305405541
7505602504055
oct113331274305
928114714377
1010123311301
114325388684
121b663398b1
13c5440363c
146c06a1565
153e3b199a1
hex25b6578c5

10123311301 has 4 divisors (see below), whose sum is σ = 10124887500. Its totient is φ = 10121735104.

The previous prime is 10123311229. The next prime is 10123311311. The reversal of 10123311301 is 10311332101.

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 5191058401 + 4932252900 = 72049^2 + 70230^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123311301 - 213 = 10123303109 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 (10123311311) 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, 778426 + ... + 791323.

It is an arithmetic number, because the mean of its divisors is an integer number (2531221875).

Almost surely, 210123311301 is an apocalyptic number.

It is an amenable number.

10123311301 is a deficient number, since it is larger than the sum of its proper divisors (1576199).

10123311301 is an equidigital number, since it uses as much as digits as its factorization.

10123311301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576198.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 10123311301 its reverse (10311332101), we get a palindrome (20434643402).

The spelling of 10123311301 in words is "ten billion, one hundred twenty-three million, three hundred eleven thousand, three hundred one".

Divisors: 1 6449 1569749 10123311301