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40011512131 = 167659936307
BaseRepresentation
bin100101010000110111…
…110011100101000011
310211021110201102011201
4211100313303211003
51123420421342011
630214145322031
72614344145603
oct452067634503
9124243642151
1040011512131
1115a725012a8
127907936317
133a08583486
141d17d26c03
151092a0ccc1
hex950df3943

40011512131 has 8 divisors (see below), whose sum is σ = 40258310400. Its totient is φ = 39764800008.

The previous prime is 40011512117. The next prime is 40011512153. The reversal of 40011512131 is 13121511004.

40011512131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40011512131 - 29 = 40011511619 is a prime.

It is a super-2 number, since 2×400115121312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40011512099 and 40011512108.

It is not an unprimeable number, because it can be changed into a prime (40011512161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083880 + ... + 1120186.

It is an arithmetic number, because the mean of its divisors is an integer number (5032288800).

Almost surely, 240011512131 is an apocalyptic number.

40011512131 is a deficient number, since it is larger than the sum of its proper divisors (246798269).

40011512131 is a wasteful number, since it uses less digits than its factorization.

40011512131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43073.

The product of its (nonzero) digits is 120, while the sum is 19.

The spelling of 40011512131 in words is "forty billion, eleven million, five hundred twelve thousand, one hundred thirty-one".

Divisors: 1 167 6599 36307 1102033 6063269 239589893 40011512131