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75040214525165 = 5547162171691867
BaseRepresentation
bin10001000011111110101001…
…010101001010010011101101
3100211200202220120110102220202
4101003332221111022103231
534313424324404301130
6423332555412523245
721543322320150611
oct2103765125122355
9324622816412822
1075040214525165
1121a0141589464a
1284bb368020525
1332b4353421c96
141475d7409d341
158a1e7c977145
hex443fa954a4ed

75040214525165 has 16 divisors (see below), whose sum is σ = 90218495656512. Its totient is φ = 59918693138304.

The previous prime is 75040214525117. The next prime is 75040214525183. The reversal of 75040214525165 is 56152541204057.

It is a cyclic number.

It is not a de Polignac number, because 75040214525165 - 210 = 75040214524141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43507562 + ... + 45199428.

It is an arithmetic number, because the mean of its divisors is an integer number (5638655978532).

Almost surely, 275040214525165 is an apocalyptic number.

It is an amenable number.

75040214525165 is a deficient number, since it is larger than the sum of its proper divisors (15178281131347).

75040214525165 is a wasteful number, since it uses less digits than its factorization.

75040214525165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708636.

The product of its (nonzero) digits is 1680000, while the sum is 47.

The spelling of 75040214525165 in words is "seventy-five trillion, forty billion, two hundred fourteen million, five hundred twenty-five thousand, one hundred sixty-five".

Divisors: 1 5 547 2735 16217 81085 1691867 8459335 8870699 44353495 925451249 4627256245 27437007139 137185035695 15008042905033 75040214525165