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101311010023 = 533495477159
BaseRepresentation
bin101111001011010011…
…0110101010011100111
3100200111112112112220111
41132112212311103213
53124441104310043
6114312554313451
710214403243106
oct1362646652347
9320445475814
10101311010023
1139a69473363
1217774a28887
139727300c12
144c9120a03d
15297e3a209d
hex17969b54e7

101311010023 has 8 divisors (see below), whose sum is σ = 103518324000. Its totient is φ = 99114651168.

The previous prime is 101311009973. The next prime is 101311010033. The reversal of 101311010023 is 320010113101.

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 101311010023 - 217 = 101310878951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101311009985 and 101311010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101311010033) 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, 2720083 + ... + 2757076.

It is an arithmetic number, because the mean of its divisors is an integer number (12939790500).

Almost surely, 2101311010023 is an apocalyptic number.

101311010023 is a deficient number, since it is larger than the sum of its proper divisors (2207313977).

101311010023 is an equidigital number, since it uses as much as digits as its factorization.

101311010023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5477561.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 101311010023 its reverse (320010113101), we get a palindrome (421321123124).

The spelling of 101311010023 in words is "one hundred one billion, three hundred eleven million, ten thousand, twenty-three".

Divisors: 1 53 349 18497 5477159 290289427 1911528491 101311010023