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40706752481 = 257796319891
BaseRepresentation
bin100101111010010011…
…111011111111100001
310220001220221021122022
4211322103323333201
51131331412034411
630411142551225
72640515454443
oct457223737741
9126056837568
1040706752481
111629999a6aa
127a80738515
133ab96172b5
141d823c2493
1510d3a8eedb
hex97a4fbfe1

40706752481 has 8 divisors (see below), whose sum is σ = 40872331104. Its totient is φ = 40541230080.

The previous prime is 40706752477. The next prime is 40706752517. The reversal of 40706752481 is 18425760704.

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 40706752481 - 22 = 40706752477 is a prime.

It is a super-2 number, since 2×407067524812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40706752081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2036546 + ... + 2056436.

It is an arithmetic number, because the mean of its divisors is an integer number (5109041388).

Almost surely, 240706752481 is an apocalyptic number.

It is an amenable number.

40706752481 is a deficient number, since it is larger than the sum of its proper divisors (165578623).

40706752481 is a wasteful number, since it uses less digits than its factorization.

40706752481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28111.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 40706752481 in words is "forty billion, seven hundred six million, seven hundred fifty-two thousand, four hundred eighty-one".

Divisors: 1 257 7963 19891 2046491 5111987 158392033 40706752481