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40070164968 = 2333185510023
BaseRepresentation
bin100101010100010111…
…100011000111101000
310211102120002021202000
4211110113203013220
51124030430234333
630224042411000
72615655532251
oct452427430750
9124376067660
1040070164968
1115aa2622019
127923500a60
133a1777b1b2
141d21a33b28
151097c46713
hex9545e31e8

40070164968 has 32 divisors (see below), whose sum is σ = 111306014400. Its totient is φ = 13356721584.

The previous prime is 40070164829. The next prime is 40070164973. The reversal of 40070164968 is 86946107004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92754796 + ... + 92755227.

It is an arithmetic number, because the mean of its divisors is an integer number (3478312950).

Almost surely, 240070164968 is an apocalyptic number.

It is an amenable number.

40070164968 is an abundant number, since it is smaller than the sum of its proper divisors (71235849432).

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

40070164968 is a wasteful number, since it uses less digits than its factorization.

40070164968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185510038 (or 185510028 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 40070164968 in words is "forty billion, seventy million, one hundred sixty-four thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 185510023 371020046 556530069 742040092 1113060138 1484080184 1669590207 2226120276 3339180414 4452240552 5008770621 6678360828 10017541242 13356721656 20035082484 40070164968