Search a number
-
+
90612686084 = 2236761725263
BaseRepresentation
bin101010001100011101…
…1111101110100000100
322122212221202101102112
41110120323331310010
52441033321423314
6105343224200152
76355316060234
oct1243073756404
9278787671375
1090612686084
1135479554228
121568a009058
138710a4021b
144558427cc4
15255505343e
hex1518efdd04

90612686084 has 12 divisors (see below), whose sum is σ = 159004280064. Its totient is φ = 45182891784.

The previous prime is 90612686083. The next prime is 90612686111. The reversal of 90612686084 is 48068621609.

It is a happy number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (90612686081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30861164 + ... + 30864099.

It is an arithmetic number, because the mean of its divisors is an integer number (13250356672).

Almost surely, 290612686084 is an apocalyptic number.

It is an amenable number.

90612686084 is a deficient number, since it is larger than the sum of its proper divisors (68391593980).

90612686084 is a wasteful number, since it uses less digits than its factorization.

90612686084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61725634 (or 61725632 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 90612686084 in words is "ninety billion, six hundred twelve million, six hundred eighty-six thousand, eighty-four".

Divisors: 1 2 4 367 734 1468 61725263 123450526 246901052 22653171521 45306343042 90612686084