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172893341992 = 2373087381107
BaseRepresentation
bin1010000100000100111…
…1110000100100101000
3121112021020022210011211
42201001033300210220
510313041143420432
6211232012202504
715330313105360
oct2410117604450
9545236283154
10172893341992
11673618698a8
1229611769434
13133c4506477
1485220379a0
15476d871d47
hex28413f0928

172893341992 has 16 divisors (see below), whose sum is σ = 370485732960. Its totient is φ = 74097146544.

The previous prime is 172893341983. The next prime is 172893342019. The reversal of 172893341992 is 299143398271.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543690498 + ... + 1543690609.

It is an arithmetic number, because the mean of its divisors is an integer number (23155358310).

Almost surely, 2172893341992 is an apocalyptic number.

It is an amenable number.

172893341992 is an abundant number, since it is smaller than the sum of its proper divisors (197592390968).

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

172893341992 is a wasteful number, since it uses less digits than its factorization.

172893341992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087381120 (or 3087381116 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 58.

The spelling of 172893341992 in words is "one hundred seventy-two billion, eight hundred ninety-three million, three hundred forty-one thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 14 28 56 3087381107 6174762214 12349524428 21611667749 24699048856 43223335498 86446670996 172893341992