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72823385995 = 5103141404633
BaseRepresentation
bin100001111010010011…
…1001010111110001011
320221222012001022100021
41003310213022332023
52143120241322440
653242105521311
75155426365463
oct1036447127613
9227865038307
1072823385995
112897a9a2828
12121444a3237
136b37372259
14374b9a6ba3
151d6341984a
hex10f49caf8b

72823385995 has 8 divisors (see below), whose sum is σ = 88236491616. Its totient is φ = 57693089856.

The previous prime is 72823385927. The next prime is 72823386001. The reversal of 72823385995 is 59958332827.

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 72823385995 - 221 = 72821288843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70701802 + ... + 70702831.

It is an arithmetic number, because the mean of its divisors is an integer number (11029561452).

Almost surely, 272823385995 is an apocalyptic number.

72823385995 is a deficient number, since it is larger than the sum of its proper divisors (15413105621).

72823385995 is a wasteful number, since it uses less digits than its factorization.

72823385995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141404741.

The product of its digits is 32659200, while the sum is 61.

The spelling of 72823385995 in words is "seventy-two billion, eight hundred twenty-three million, three hundred eighty-five thousand, nine hundred ninety-five".

Divisors: 1 5 103 515 141404633 707023165 14564677199 72823385995