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172130431084 = 2245667942313
BaseRepresentation
bin1010000001001111000…
…1011111000001101100
3121110022001202220011021
42200103301133001230
510310010342243314
6211024200303524
715302360344333
oct2402361370154
9543261686137
10172130431084
1167000160617
122943a171ba4
131330243b1b1
14848c9a4d1a
1547268c4324
hex2813c5f06c

172130431084 has 12 divisors (see below), whose sum is σ = 301235170264. Its totient is φ = 86063239584.

The previous prime is 172130431013. The next prime is 172130431091. The reversal of 172130431084 is 480134031271.

172130431084 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 288489 + ... + 653824.

Almost surely, 2172130431084 is an apocalyptic number.

It is an amenable number.

172130431084 is a deficient number, since it is larger than the sum of its proper divisors (129104739180).

172130431084 is a wasteful number, since it uses less digits than its factorization.

172130431084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987984 (or 987982 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 172130431084 in words is "one hundred seventy-two billion, one hundred thirty million, four hundred thirty-one thousand, eighty-four".

Divisors: 1 2 4 45667 91334 182668 942313 1884626 3769252 43032607771 86065215542 172130431084