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40742310531 = 3134125479869
BaseRepresentation
bin100101111100011011…
…100101001010000011
310220011101211211010010
4211330123211022003
51131420012414111
630414453040003
72641426632306
oct457433451203
9126141754103
1040742310531
1116307a76a1a
127a90626003
133ac3ab7070
141d86ddab3d
1510d6c65aa6
hex97c6e5283

40742310531 has 16 divisors (see below), whose sum is σ = 59928654240. Its totient is φ = 24460673280.

The previous prime is 40742310503. The next prime is 40742310547. The reversal of 40742310531 is 13501324704.

It is a happy number.

40742310531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40742310531 - 223 = 40733921923 is a prime.

It is a super-2 number, since 2×407423105312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40742310431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12738336 + ... + 12741533.

It is an arithmetic number, because the mean of its divisors is an integer number (3745540890).

Almost surely, 240742310531 is an apocalyptic number.

40742310531 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40742310531 is a deficient number, since it is larger than the sum of its proper divisors (19186343709).

40742310531 is a wasteful number, since it uses less digits than its factorization.

40742310531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25479926.

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 40742310531 in words is "forty billion, seven hundred forty-two million, three hundred ten thousand, five hundred thirty-one".

Divisors: 1 3 13 39 41 123 533 1599 25479869 76439607 331238297 993714891 1044674629 3134023887 13580770177 40742310531