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10138006717 = 71142788827
BaseRepresentation
bin10010111000100010…
…11011010010111101
3222011112110002202021
421130101123102331
5131230312203332
64353552400141
7506141430616
oct113421332275
928145402667
1010138006717
114332705553
121b6b246051
13c5747a457
146c2608c0d
153e506dc97
hex25c45b4bd

10138006717 has 4 divisors (see below), whose sum is σ = 10280795616. Its totient is φ = 9995217820.

The previous prime is 10138006699. The next prime is 10138006751. The reversal of 10138006717 is 71760083101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10138006717 - 215 = 10137973949 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 (10138016717) 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, 71394343 + ... + 71394484.

It is an arithmetic number, because the mean of its divisors is an integer number (2570198904).

Almost surely, 210138006717 is an apocalyptic number.

It is an amenable number.

10138006717 is a deficient number, since it is larger than the sum of its proper divisors (142788899).

10138006717 is an equidigital number, since it uses as much as digits as its factorization.

10138006717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142788898.

The product of its (nonzero) digits is 7056, while the sum is 34.

Adding to 10138006717 its reverse (71760083101), we get a palindrome (81898089818).

The spelling of 10138006717 in words is "ten billion, one hundred thirty-eight million, six thousand, seven hundred seventeen".

Divisors: 1 71 142788827 10138006717