Search a number
-
+
72612578094 = 2373756746021
BaseRepresentation
bin100001110100000001…
…1000000001100101110
320221102111101011021020
41003220003000030232
52142202304444334
653205135315010
75150256505260
oct1035003001456
9227374334236
1072612578094
11288819a8721
12120a597ba66
136b027a2754
14372b9adb30
151d4eb77e49
hex10e80c032e

72612578094 has 32 divisors (see below), whose sum is σ = 165979631616. Its totient is φ = 20745447840.

The previous prime is 72612578081. The next prime is 72612578149. The reversal of 72612578094 is 49087521627.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1554804 + ... + 1600824.

It is an arithmetic number, because the mean of its divisors is an integer number (5186863488).

Almost surely, 272612578094 is an apocalyptic number.

72612578094 is an abundant number, since it is smaller than the sum of its proper divisors (93367053522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72612578094 is a wasteful number, since it uses less digits than its factorization.

72612578094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83600.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 72612578094 in words is "seventy-two billion, six hundred twelve million, five hundred seventy-eight thousand, ninety-four".

Divisors: 1 2 3 6 7 14 21 42 37567 46021 75134 92042 112701 138063 225402 262969 276126 322147 525938 644294 788907 966441 1577814 1932882 1728870907 3457741814 5186612721 10373225442 12102096349 24204192698 36306289047 72612578094