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28025275280025 = 3523471076859761
BaseRepresentation
bin1100101111101001001001…
…00100111110101010011001
310200020012010121202011112110
412113310210210332222121
512133131230432430100
6135334344515102533
75621521306254162
oct627644444765231
9120205117664473
1028025275280025
118a254a8307251
12318759bba1a49
131283a0646559a
146cc605660769
15339005c48250
hex197d2493ea99

28025275280025 has 24 divisors (see below), whose sum is σ = 46468652449824. Its totient is φ = 14903739078400.

The previous prime is 28025275279993. The next prime is 28025275280063. The reversal of 28025275280025 is 52008257252082.

It is not a de Polignac number, because 28025275280025 - 25 = 28025275279993 is a prime.

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, 538403856 + ... + 538455905.

It is an arithmetic number, because the mean of its divisors is an integer number (1936193852076).

Almost surely, 228025275280025 is an apocalyptic number.

28025275280025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28025275280025 is a deficient number, since it is larger than the sum of its proper divisors (18443377169799).

28025275280025 is a wasteful number, since it uses less digits than its factorization.

28025275280025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076860121 (or 1076860116 counting only the distinct ones).

The product of its (nonzero) digits is 1792000, while the sum is 48.

The spelling of 28025275280025 in words is "twenty-eight trillion, twenty-five billion, two hundred seventy-five million, two hundred eighty thousand, twenty-five".

Divisors: 1 3 5 15 25 75 347 1041 1735 5205 8675 26025 1076859761 3230579283 5384298805 16152896415 26921494025 80764482075 373670337067 1121011011201 1868351685335 5605055056005 9341758426675 28025275280025