Search a number
-
+
26158708145 = 5311316611949
BaseRepresentation
bin11000010111001011…
…100011010110110001
32111112001020001120102
4120113023203112301
5412033112130040
620003411522145
71614144231143
oct302713432661
974461201512
1026158708145
11101039aa669
1250a05b9355
13260b60113b
1413a2208c93
15a317a3515
hex6172e35b1

26158708145 has 32 divisors (see below), whose sum is σ = 32716569600. Its totient is φ = 20056608000.

The previous prime is 26158708123. The next prime is 26158708153. The reversal of 26158708145 is 54180785162.

It is not a de Polignac number, because 26158708145 - 214 = 26158691761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26158708145.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13420631 + ... + 13422579.

It is an arithmetic number, because the mean of its divisors is an integer number (1022392800).

Almost surely, 226158708145 is an apocalyptic number.

It is an amenable number.

26158708145 is a deficient number, since it is larger than the sum of its proper divisors (6557861455).

26158708145 is a wasteful number, since it uses less digits than its factorization.

26158708145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777.

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 26158708145 in words is "twenty-six billion, one hundred fifty-eight million, seven hundred eight thousand, one hundred forty-five".

Divisors: 1 5 31 131 155 655 661 1949 3305 4061 9745 20305 20491 60419 86591 102455 255319 302095 432955 1276595 1288289 2684321 6441445 7914889 13421605 39574445 39936959 168765859 199684795 843829295 5231741629 26158708145