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27752675425 = 521976179133
BaseRepresentation
bin11001110110001100…
…000011100001100001
32122122010112222121121
4121312030003201201
5423314141103200
620425512052241
72001510564106
oct316614034141
978563488547
1027752675425
11108517308a2
125466394081
132803904047
1414b3bacaad
15ac66aee1a
hex676303861

27752675425 has 24 divisors (see below), whose sum is σ = 34647856056. Its totient is φ = 22051223040.

The previous prime is 27752675387. The next prime is 27752675429. The reversal of 27752675425 is 52457625772.

It can be written as a sum of positive squares in 12 ways, for example, as 3443811856 + 24308863569 = 58684^2 + 155913^2 .

It is not a de Polignac number, because 27752675425 - 213 = 27752667233 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27752675429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3034159 + ... + 3043291.

It is an arithmetic number, because the mean of its divisors is an integer number (1443660669).

Almost surely, 227752675425 is an apocalyptic number.

27752675425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27752675425 is a deficient number, since it is larger than the sum of its proper divisors (6895180631).

27752675425 is a wasteful number, since it uses less digits than its factorization.

27752675425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9957 (or 9952 counting only the distinct ones).

The product of its digits is 8232000, while the sum is 52.

The spelling of 27752675425 in words is "twenty-seven billion, seven hundred fifty-two million, six hundred seventy-five thousand, four hundred twenty-five".

Divisors: 1 5 25 197 617 985 3085 4925 9133 15425 45665 121549 228325 607745 1799201 3038725 5635061 8996005 28175305 44980025 140876525 1110107017 5550535085 27752675425