Search a number
-
+
86151864854161 = 255179337613459
BaseRepresentation
bin10011100101101011001011…
…010011010010011010010001
3102022001001000120220111101101
4103211223023103102122101
542243003004400313121
6503121341554304401
724101160344442421
oct2345531323223221
9368031016814341
1086151864854161
11254a5889810227
1297b4985288101
13390c116c1aa62
14173bab5a90481
159e601b06a491
hex4e5acb4d2691

86151864854161 has 4 divisors (see below), whose sum is σ = 86152202722800. Its totient is φ = 86151526985524.

The previous prime is 86151864854093. The next prime is 86151864854267. The reversal of 86151864854161 is 16145846815168.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-86151864854161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86151864854093 and 86151864854102.

It is not an unprimeable number, because it can be changed into a prime (86151864852161) 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 3 ways as a sum of consecutive naturals, for example, 168551551 + ... + 169061908.

It is an arithmetic number, because the mean of its divisors is an integer number (21538050680700).

Almost surely, 286151864854161 is an apocalyptic number.

It is an amenable number.

86151864854161 is a deficient number, since it is larger than the sum of its proper divisors (337868639).

86151864854161 is a wasteful number, since it uses less digits than its factorization.

86151864854161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337868638.

The product of its digits is 44236800, while the sum is 64.

The spelling of 86151864854161 in words is "eighty-six trillion, one hundred fifty-one billion, eight hundred sixty-four million, eight hundred fifty-four thousand, one hundred sixty-one".

Divisors: 1 255179 337613459 86151864854161