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31022914050 = 23252194232
BaseRepresentation
bin11100111001000111…
…000001101000000010
32222002001002022122200
4130321013001220002
51002013331222200
622130212414030
72145530263362
oct347107015002
988061068580
1031022914050
111217a698547
126019617316
132c05295b9b
14170423c9a2
15c18834800
hex7391c1a02

31022914050 has 270 divisors, whose sum is σ = 91970120697. Its totient is φ = 7496612640.

The previous prime is 31022914033. The next prime is 31022914063. The reversal of 31022914050 is 5041922013.

31022914050 is a `hidden beast` number, since 31 + 0 + 229 + 1 + 405 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30402455769 + 620458281 = 174363^2 + 24909^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=124545.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1348822339 + ... + 1348822361.

Almost surely, 231022914050 is an apocalyptic number.

31022914050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31022914050

31022914050 is an abundant number, since it is smaller than the sum of its proper divisors (60947206647).

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

31022914050 is an equidigital number, since it uses as much as digits as its factorization.

31022914050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 31022914050 in words is "thirty-one billion, twenty-two million, nine hundred fourteen thousand, fifty".