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10213075237 = 82912319753
BaseRepresentation
bin10011000001011111…
…10010100100100101
3222100202200222101211
421200233302210211
5131404021401422
64405233351421
7511042464361
oct114057624445
928322628354
1010213075237
114371018652
121b90408571
13c69ba1cb1
146cc58a2a1
153eb94b577
hex260bf2925

10213075237 has 4 divisors (see below), whose sum is σ = 10225395820. Its totient is φ = 10200754656.

The previous prime is 10213075219. The next prime is 10213075247. The reversal of 10213075237 is 73257031201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73257031201 = 220361332441.

It can be written as a sum of positive squares in 2 ways, for example, as 8750854116 + 1462221121 = 93546^2 + 38239^2 .

It is a cyclic number.

It is not a de Polignac number, because 10213075237 - 223 = 10204686629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10213075199 and 10213075208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213075247) 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, 6159048 + ... + 6160705.

It is an arithmetic number, because the mean of its divisors is an integer number (2556348955).

Almost surely, 210213075237 is an apocalyptic number.

It is an amenable number.

10213075237 is a deficient number, since it is larger than the sum of its proper divisors (12320583).

10213075237 is an equidigital number, since it uses as much as digits as its factorization.

10213075237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12320582.

The product of its (nonzero) digits is 8820, while the sum is 31.

The spelling of 10213075237 in words is "ten billion, two hundred thirteen million, seventy-five thousand, two hundred thirty-seven".

Divisors: 1 829 12319753 10213075237