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31460448940 = 2251573022447
BaseRepresentation
bin11101010011001100…
…000101101010101100
310000012112101101200121
4131103030011222230
51003412333331230
622241442334324
72162422255324
oct352314055254
9100175341617
1031460448940
111238466aa28
12612005a3a4
132c74b19c7b
1417463b4284
15c41e5e77a
hex753305aac

31460448940 has 12 divisors (see below), whose sum is σ = 66066942816. Its totient is φ = 12584179568.

The previous prime is 31460448889. The next prime is 31460448953. The reversal of 31460448940 is 4984406413.

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 3 ways as a sum of consecutive naturals, for example, 786511204 + ... + 786511243.

It is an arithmetic number, because the mean of its divisors is an integer number (5505578568).

Almost surely, 231460448940 is an apocalyptic number.

It is an amenable number.

31460448940 is an abundant number, since it is smaller than the sum of its proper divisors (34606493876).

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

31460448940 is a wasteful number, since it uses less digits than its factorization.

31460448940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573022456 (or 1573022454 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 31460448940 in words is "thirty-one billion, four hundred sixty million, four hundred forty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 1573022447 3146044894 6292089788 7865112235 15730224470 31460448940