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25275275030138 = 272911696200443
BaseRepresentation
bin1011011111100110110111…
…10010100010111001111010
310022111021220101010001102112
411233303123302202321322
511303102230401431023
6125431145005532322
75216035606646240
oct557633362427172
9108437811101375
1025275275030138
118065202914001
122a026265740a2
1311145a9937903
14635489112790
152dc7042be478
hex16fcdbca2e7a

25275275030138 has 16 divisors (see below), whose sum is σ = 43329198707520. Its totient is φ = 10832221777536.

The previous prime is 25275275030129. The next prime is 25275275030141. The reversal of 25275275030138 is 83103057257252.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976145 + ... + 7176587.

It is an arithmetic number, because the mean of its divisors is an integer number (2708074919220).

Almost surely, 225275275030138 is an apocalyptic number.

25275275030138 is a deficient number, since it is larger than the sum of its proper divisors (18053923677382).

25275275030138 is a wasteful number, since it uses less digits than its factorization.

25275275030138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491621.

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 25275275030138 in words is "twenty-five trillion, two hundred seventy-five billion, two hundred seventy-five million, thirty thousand, one hundred thirty-eight".

Divisors: 1 2 7 14 291169 582338 2038183 4076366 6200443 12400886 43403101 86806202 1805376787867 3610753575734 12637637515069 25275275030138