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25275005305 = 5119721122453
BaseRepresentation
bin10111100010100000…
…011111100101111001
32102020110101022011121
4113202200133211321
5403230400132210
615340003025241
71553224000054
oct274240374571
972213338147
1025275005305
11a7a0099640
124a9466b221
1324ca4c2654
14131aad1a9b
159cdde56da
hex5e281f979

25275005305 has 32 divisors (see below), whose sum is σ = 33588309888. Its totient is φ = 18105292800.

The previous prime is 25275005297. The next prime is 25275005333. The reversal of 25275005305 is 50350057252.

It is not a de Polignac number, because 25275005305 - 23 = 25275005297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1114459 + ... + 1136911.

It is an arithmetic number, because the mean of its divisors is an integer number (1049634684).

Almost surely, 225275005305 is an apocalyptic number.

It is an amenable number.

25275005305 is a deficient number, since it is larger than the sum of its proper divisors (8313304583).

25275005305 is a wasteful number, since it uses less digits than its factorization.

25275005305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22777.

The product of its (nonzero) digits is 52500, while the sum is 34.

The spelling of 25275005305 in words is "twenty-five billion, two hundred seventy-five million, five thousand, three hundred five".

Divisors: 1 5 11 55 97 211 485 1055 1067 2321 5335 11605 20467 22453 102335 112265 225137 246983 1125685 1234915 2177941 4737583 10889705 23687915 23957351 52113413 119786755 260567065 459545551 2297727755 5055001061 25275005305