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2664256250 = 2553113751
BaseRepresentation
bin1001111011001101…
…0101001011111010
320212200021020111102
42132303111023322
520424022200000
61120212131402
7123010542635
oct23663251372
96780236442
102664256250
1111479a3177
12624306b62
13335c802b6
141b3baac1c
15108d743d5
hex9ecd52fa

2664256250 has 48 divisors (see below), whose sum is σ = 5156669952. Its totient is φ = 1031250000.

The previous prime is 2664256249. The next prime is 2664256261. The reversal of 2664256250 is 526524662.

It is a super-2 number, since 2×26642562502 = 14196522731328125000, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 186875 + ... + 200625.

It is an arithmetic number, because the mean of its divisors is an integer number (107430624).

Almost surely, 22664256250 is an apocalyptic number.

2664256250 is a deficient number, since it is larger than the sum of its proper divisors (2492413702).

2664256250 is an equidigital number, since it uses as much as digits as its factorization.

2664256250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13809 (or 13789 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 2664256250 is about 51616.4339140162. The cubic root of 2664256250 is about 1386.3046003543.

The spelling of 2664256250 in words is "two billion, six hundred sixty-four million, two hundred fifty-six thousand, two hundred fifty".

Divisors: 1 2 5 10 25 31 50 62 125 155 250 310 625 775 1250 1550 3125 3875 6250 7750 13751 19375 27502 38750 68755 96875 137510 193750 343775 426281 687550 852562 1718875 2131405 3437750 4262810 8594375 10657025 17188750 21314050 42971875 53285125 85943750 106570250 266425625 532851250 1332128125 2664256250