Search a number
-
+
136889964659 = 7182511071487
BaseRepresentation
bin111111101111101000…
…1110001100001110011
3111002100002121201022002
41333133101301201303
54220322312332114
6142515243004215
712614155333610
oct1773721614163
9432302551262
10136889964659
11530668a85a8
122264420966b
13cba74622b6
1468a8581507
153862b947de
hex1fdf471873

136889964659 has 8 divisors (see below), whose sum is σ = 156454391808. Its totient is φ = 117327717000.

The previous prime is 136889964581. The next prime is 136889964697. The reversal of 136889964659 is 956469988631.

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 136889964659 - 28 = 136889964403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136889984659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407987 + ... + 663500.

It is an arithmetic number, because the mean of its divisors is an integer number (19556798976).

Almost surely, 2136889964659 is an apocalyptic number.

136889964659 is a deficient number, since it is larger than the sum of its proper divisors (19564427149).

136889964659 is a wasteful number, since it uses less digits than its factorization.

136889964659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089745.

The product of its digits is 604661760, while the sum is 74.

The spelling of 136889964659 in words is "one hundred thirty-six billion, eight hundred eighty-nine million, nine hundred sixty-four thousand, six hundred fifty-nine".

Divisors: 1 7 18251 127757 1071487 7500409 19555709237 136889964659