Search a number
-
+
10515116090681 = 31164752257593
BaseRepresentation
bin1001100100000011110111…
…0000100110010100111001
31101020020100112000221020022
42121000331300212110321
52334234424204400211
634210324434340225
72133456244023116
oct231007560462471
941206315027208
1010515116090681
1133944879a5144
121219a9712a675
135b3756baaa47
14284d11b5590d
151337c7b6cbdb
hex9903dc26539

10515116090681 has 8 divisors (see below), whose sum is σ = 10565231324544. Its totient is φ = 10465105373920.

The previous prime is 10515116090671. The next prime is 10515116090729. The reversal of 10515116090681 is 18609061151501.

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 10515116090681 - 214 = 10515116074297 is a prime.

It is a super-2 number, since 2×105151160906812 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10515116090651) 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, 25927580 + ... + 26330013.

It is an arithmetic number, because the mean of its divisors is an integer number (1320653915568).

Almost surely, 210515116090681 is an apocalyptic number.

It is an amenable number.

10515116090681 is a deficient number, since it is larger than the sum of its proper divisors (50115233863).

10515116090681 is an equidigital number, since it uses as much as digits as its factorization.

10515116090681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52258551.

The product of its (nonzero) digits is 64800, while the sum is 44.

The spelling of 10515116090681 in words is "ten trillion, five hundred fifteen billion, one hundred sixteen million, ninety thousand, six hundred eighty-one".

Divisors: 1 311 647 201217 52257593 16252111423 33810662671 10515116090681