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10721011701113 = 71531573100159
BaseRepresentation
bin1001110000000010111000…
…0110000001010101111001
31101221220210201221122211122
42130000232012001111321
52401123112443413423
634445055332035025
72154365443601540
oct234005606012571
941856721848748
1010721011701113
11346383467775a
121251979162a75
135c9caa7761ac
14290c84c31157
15138d289a98c8
hex9c02e181579

10721011701113 has 4 divisors (see below), whose sum is σ = 12252584801280. Its totient is φ = 9189438600948.

The previous prime is 10721011701083. The next prime is 10721011701149. The reversal of 10721011701113 is 31110711012701.

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 10721011701113 - 216 = 10721011635577 is a prime.

It is a super-2 number, since 2×107210117011132 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10721011781113) 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, 765786550073 + ... + 765786550086.

It is an arithmetic number, because the mean of its divisors is an integer number (3063146200320).

Almost surely, 210721011701113 is an apocalyptic number.

It is an amenable number.

10721011701113 is a deficient number, since it is larger than the sum of its proper divisors (1531573100167).

10721011701113 is an equidigital number, since it uses as much as digits as its factorization.

10721011701113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531573100166.

The product of its (nonzero) digits is 294, while the sum is 26.

Adding to 10721011701113 its reverse (31110711012701), we get a palindrome (41831722713814).

The spelling of 10721011701113 in words is "ten trillion, seven hundred twenty-one billion, eleven million, seven hundred one thousand, one hundred thirteen".

Divisors: 1 7 1531573100159 10721011701113