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27750000275 = 524127199901
BaseRepresentation
bin11001110110000001…
…110110011010010011
32122121221112001222222
4121312001312122103
5423313000002100
620425334451255
72001446052614
oct316601663223
978557461888
1027750000275
1110850173a28
125465503b2b
1328031a850a
1414b36b3c0b
15ac6332485
hex676076693

27750000275 has 24 divisors (see below), whose sum is σ = 35379693888. Its totient is φ = 21578400000.

The previous prime is 27750000247. The next prime is 27750000281. The reversal of 27750000275 is 57200005772.

It is not a de Polignac number, because 27750000275 - 224 = 27733223059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227825 + ... + 327725.

It is an arithmetic number, because the mean of its divisors is an integer number (1474153912).

Almost surely, 227750000275 is an apocalyptic number.

27750000275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27750000275 is a deficient number, since it is larger than the sum of its proper divisors (7629693613).

27750000275 is a wasteful number, since it uses less digits than its factorization.

27750000275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100223 (or 100218 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 35.

The spelling of 27750000275 in words is "twenty-seven billion, seven hundred fifty million, two hundred seventy-five", and thus it is an aban number.

Divisors: 1 5 25 41 205 271 1025 1355 6775 11111 55555 99901 277775 499505 2497525 4095941 20479705 27073171 102398525 135365855 676829275 1110000011 5550000055 27750000275