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27740426260 = 22517312631919
BaseRepresentation
bin11001110101011101…
…010101000000010100
32122121021111122220211
4121311131111000110
5423303022120020
620424353335204
72001301506211
oct316535250024
978537448824
1027740426260
1110845824918
125462267504
132801205811
1414b2300b08
15ac559085a
hex675755014

27740426260 has 48 divisors (see below), whose sum is σ = 63671408640. Its totient is φ = 10106565120.

The previous prime is 27740426239. The next prime is 27740426261. The reversal of 27740426260 is 6262404772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27740426261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1305420 + ... + 1326499.

It is an arithmetic number, because the mean of its divisors is an integer number (1326487680).

Almost surely, 227740426260 is an apocalyptic number.

27740426260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27740426260 is an abundant number, since it is smaller than the sum of its proper divisors (35930982380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27740426260 is a wasteful number, since it uses less digits than its factorization.

27740426260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631976 (or 2631974 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 27740426260 in words is "twenty-seven billion, seven hundred forty million, four hundred twenty-six thousand, two hundred sixty".

Divisors: 1 2 4 5 10 17 20 31 34 62 68 85 124 155 170 310 340 527 620 1054 2108 2635 5270 10540 2631919 5263838 10527676 13159595 26319190 44742623 52638380 81589489 89485246 163178978 178970492 223713115 326357956 407947445 447426230 815894890 894852460 1387021313 1631789780 2774042626 5548085252 6935106565 13870213130 27740426260