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31795478048 = 25993608689
BaseRepresentation
bin11101100111001010…
…000111111000100000
310001001212210122020002
4131213022013320200
51010104120244143
622335011235132
72203631050505
oct354712077040
9101055718202
1031795478048
111253679a294
1261b42a8aa8
132cc9360b49
141778aa54ac
15c6158c5b8
hex767287e20

31795478048 has 12 divisors (see below), whose sum is σ = 62597347470. Its totient is φ = 15897739008.

The previous prime is 31795478021. The next prime is 31795478083. The reversal of 31795478048 is 84087459713.

It can be written as a sum of positive squares in only one way, i.e., 18765712144 + 13029765904 = 136988^2 + 114148^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31795477984 and 31795478002.

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 as a sum of consecutive naturals, namely, 496804313 + ... + 496804376.

Almost surely, 231795478048 is an apocalyptic number.

It is an amenable number.

31795478048 is a deficient number, since it is larger than the sum of its proper divisors (30801869422).

31795478048 is an equidigital number, since it uses as much as digits as its factorization.

31795478048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993608699 (or 993608691 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 31795478048 in words is "thirty-one billion, seven hundred ninety-five million, four hundred seventy-eight thousand, forty-eight".

Divisors: 1 2 4 8 16 32 993608689 1987217378 3974434756 7948869512 15897739024 31795478048