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172936494417 = 3205992798461
BaseRepresentation
bin1010000100001111010…
…0010111110101010001
3121112101020112011011210
42201003310113311101
510313133220310132
6211240153130333
715331345643241
oct2410364276521
9545336464153
10172936494417
1167384162965
12296240b99a9
1313400434b4b
148527a6bb21
154772547bcc
hex2843d17d51

172936494417 has 8 divisors (see below), whose sum is σ = 230593268800. Its totient is φ = 115285358160.

The previous prime is 172936494403. The next prime is 172936494427. The reversal of 172936494417 is 714494639271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172936494417 - 210 = 172936493393 is a prime.

It is a super-2 number, since 2×1729364944172 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172936494427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337434 + ... + 1461027.

It is an arithmetic number, because the mean of its divisors is an integer number (28824158600).

Almost surely, 2172936494417 is an apocalyptic number.

It is an amenable number.

172936494417 is a deficient number, since it is larger than the sum of its proper divisors (57656774383).

172936494417 is a wasteful number, since it uses less digits than its factorization.

172936494417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819063.

The product of its digits is 9144576, while the sum is 57.

The spelling of 172936494417 in words is "one hundred seventy-two billion, nine hundred thirty-six million, four hundred ninety-four thousand, four hundred seventeen".

Divisors: 1 3 20599 61797 2798461 8395383 57645498139 172936494417