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40129153764 = 2237477728021
BaseRepresentation
bin100101010111111000…
…100100101011100100
310211120200002020011020
4211113320210223210
51124141030410024
630233551011140
72620303115250
oct452770445344
9124520066136
1040129153764
1116022952197
12793b209ab0
133a26a62acb
141d297cb260
15109cee9979
hex957e24ae4

40129153764 has 24 divisors (see below), whose sum is σ = 107011076928. Its totient is φ = 11465472480.

The previous prime is 40129153759. The next prime is 40129153811. The reversal of 40129153764 is 46735192104.

40129153764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×401291537642 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 238863927 + ... + 238864094.

It is an arithmetic number, because the mean of its divisors is an integer number (4458794872).

Almost surely, 240129153764 is an apocalyptic number.

It is an amenable number.

40129153764 is an abundant number, since it is smaller than the sum of its proper divisors (66881923164).

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

40129153764 is a wasteful number, since it uses less digits than its factorization.

40129153764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477728035 (or 477728033 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 40129153764 in words is "forty billion, one hundred twenty-nine million, one hundred fifty-three thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 477728021 955456042 1433184063 1910912084 2866368126 3344096147 5732736252 6688192294 10032288441 13376384588 20064576882 40129153764