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2638079075 = 52313403973
BaseRepresentation
bin1001110100111101…
…1110010001100011
320210212000022011102
42131033132101203
520400322012300
61113435105015
7122242205432
oct23517362143
96725008142
102638079075
111134143945
126175a216b
13330716348
141b0515119
151069030d5
hex9d3de463

2638079075 has 12 divisors (see below), whose sum is σ = 3376742208. Its totient is φ = 2042383200.

The previous prime is 2638079063. The next prime is 2638079077. The reversal of 2638079075 is 5709708362.

It is not a de Polignac number, because 2638079075 - 212 = 2638074979 is a prime.

It is a super-2 number, since 2×26380790752 = 13918922411905711250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2638079077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1701212 + ... + 1702761.

It is an arithmetic number, because the mean of its divisors is an integer number (281395184).

Almost surely, 22638079075 is an apocalyptic number.

2638079075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2638079075 is a deficient number, since it is larger than the sum of its proper divisors (738663133).

2638079075 is a wasteful number, since it uses less digits than its factorization.

2638079075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404014 (or 3404009 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 2638079075 is about 51362.2339370086. The cubic root of 2638079075 is about 1381.7493524256.

The spelling of 2638079075 in words is "two billion, six hundred thirty-eight million, seventy-nine thousand, seventy-five".

Divisors: 1 5 25 31 155 775 3403973 17019865 85099325 105523163 527615815 2638079075