Search a number
-
+
136890475951 = 4871217230969
BaseRepresentation
bin111111101111101001…
…1101110010110101111
3111002100010120200122211
41333133103232112233
54220322430212301
6142515301551251
712614162563345
oct1773723562657
9432303520584
10136890475951
1153067117759
1222644415527
13cba75b0c38
1468a8675995
153862c46051
hex1fdf4ee5af

136890475951 has 8 divisors (see below), whose sum is σ = 137284872480. Its totient is φ = 136496544768.

The previous prime is 136890475921. The next prime is 136890476053. The reversal of 136890475951 is 159574098631.

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 136890475951 - 25 = 136890475919 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 (136890475921) 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, 477195 + ... + 708163.

It is an arithmetic number, because the mean of its divisors is an integer number (17160609060).

Almost surely, 2136890475951 is an apocalyptic number.

136890475951 is a deficient number, since it is larger than the sum of its proper divisors (394396529).

136890475951 is a wasteful number, since it uses less digits than its factorization.

136890475951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232673.

The product of its (nonzero) digits is 8164800, while the sum is 58.

The spelling of 136890475951 in words is "one hundred thirty-six billion, eight hundred ninety million, four hundred seventy-five thousand, nine hundred fifty-one".

Divisors: 1 487 1217 230969 592679 112481903 281089273 136890475951