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189131562401170 = 2518913156240117
BaseRepresentation
bin101011000000001110011111…
…100101111011110110010010
3220210122210121202211211100211
4223000032133211323312102
5144242212414433314140
61510125501300434334
754560206300101034
oct5300163745736622
9823583552754324
10189131562401170
1155299277364704
1219266b696a89aa
13816c05063c7ac
14349c033261c54
1516ceb2c9bc2ea
hexac039f97bd92

189131562401170 has 8 divisors (see below), whose sum is σ = 340436812322124. Its totient is φ = 75652624960464.

The previous prime is 189131562401153. The next prime is 189131562401189. The reversal of 189131562401170 is 71104265131981.

It can be written as a sum of positive squares in 2 ways, for example, as 187846130255809 + 1285432145361 = 13705697^2 + 1133769^2 .

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

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, 9456578120049 + ... + 9456578120068.

It is a 1-persistent number, because it is pandigital, but 2⋅189131562401170 = 378263124802340 is not.

Almost surely, 2189131562401170 is an apocalyptic number.

189131562401170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189131562401170 is a deficient number, since it is larger than the sum of its proper divisors (151305249920954).

189131562401170 is a wasteful number, since it uses less digits than its factorization.

189131562401170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18913156240124.

The product of its (nonzero) digits is 362880, while the sum is 49.

The spelling of 189131562401170 in words is "one hundred eighty-nine trillion, one hundred thirty-one billion, five hundred sixty-two million, four hundred one thousand, one hundred seventy".

Divisors: 1 2 5 10 18913156240117 37826312480234 94565781200585 189131562401170