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245143137340175 = 52192982111730623
BaseRepresentation
bin110111101111010011010101…
…100111101100101100001111
31012010222110021201211110200112
4313233103111213230230033
5224112411121124341200
62225213111432150235
7102431002320430244
oct6757232547545417
91163873251743615
10245143137340175
1171123691184138
12235b247083837b
13a6a2b8b47c899
144476dc3a2b5cb
151d51b07871535
hexdef4d59ecb0f

245143137340175 has 24 divisors (see below), whose sum is σ = 319977563458560. Its totient is φ = 185791963183200.

The previous prime is 245143137340141. The next prime is 245143137340201. The reversal of 245143137340175 is 571043731341542.

It is a happy number.

It is not a de Polignac number, because 245143137340175 - 212 = 245143137336079 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140784914 + ... + 142515536.

It is an arithmetic number, because the mean of its divisors is an integer number (13332398477440).

Almost surely, 2245143137340175 is an apocalyptic number.

245143137340175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

245143137340175 is a deficient number, since it is larger than the sum of its proper divisors (74834426118385).

245143137340175 is a wasteful number, since it uses less digits than its factorization.

245143137340175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028863 (or 2028858 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 245143137340175 in words is "two hundred forty-five trillion, one hundred forty-three billion, one hundred thirty-seven million, three hundred forty thousand, one hundred seventy-five".

Divisors: 1 5 19 25 95 475 298211 1491055 1730623 5666009 7455275 8653115 28330045 32881837 43265575 141650225 164409185 822045925 516090815453 2580454077265 9805725493607 12902270386325 49028627468035 245143137340175