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252525025025 = 52713199557789
BaseRepresentation
bin1110101100101110101…
…0100001011100000001
3220010210220101102021122
43223023222201130001
513114132401300100
6312001451402025
724146543203520
oct3531352413401
9803726342248
10252525025025
119810587a999
1240b36153315
131aa75240a40
14c317cd84b7
15687e839985
hex3acbaa1701

252525025025 has 48 divisors (see below), whose sum is σ = 387329376000. Its totient is φ = 159036514560.

The previous prime is 252525024979. The next prime is 252525025069. The reversal of 252525025025 is 520520525252.

It is not a de Polignac number, because 252525025025 - 210 = 252525024001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173831 + ... + 731619.

It is an arithmetic number, because the mean of its divisors is an integer number (8069362000).

Almost surely, 2252525025025 is an apocalyptic number.

252525025025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252525025025 is a deficient number, since it is larger than the sum of its proper divisors (134804350975).

252525025025 is a wasteful number, since it uses less digits than its factorization.

252525025025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558018 (or 558013 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 35.

The spelling of 252525025025 in words is "two hundred fifty-two billion, five hundred twenty-five million, twenty-five thousand, twenty-five".

Divisors: 1 5 7 13 25 35 65 91 175 199 325 455 995 1393 2275 2587 4975 6965 12935 18109 34825 64675 90545 452725 557789 2788945 3904523 7251257 13944725 19522615 36256285 50758799 97613075 111000011 181281425 253793995 555000055 777000077 1268969975 1443000143 2775000275 3885000385 7215000715 10101001001 19425001925 36075003575 50505005005 252525025025