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27280523108157 = 3111748628383437
BaseRepresentation
bin1100011001111101111011…
…11000111001111100111101
310120120222210120010220000120
412030332331320321330331
512033431002403430112
6134004255503245153
75513644536250314
oct614767570717475
9116528716126016
1027280523108157
118768672102550
123087193ba97b9
13122b708549497
146a455499d27b
15324967da7e8c
hex18cfbde39f3d

27280523108157 has 16 divisors (see below), whose sum is σ = 42014923290432. Its totient is φ = 15561082699520.

The previous prime is 27280523108101. The next prime is 27280523108183. The reversal of 27280523108157 is 75180132508272.

It is a cyclic number.

It is not a de Polignac number, because 27280523108157 - 222 = 27280518913853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27280523108557) 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, 24314191158 + ... + 24314192279.

It is an arithmetic number, because the mean of its divisors is an integer number (2625932705652).

Almost surely, 227280523108157 is an apocalyptic number.

It is an amenable number.

27280523108157 is a deficient number, since it is larger than the sum of its proper divisors (14734400182275).

27280523108157 is a wasteful number, since it uses less digits than its factorization.

27280523108157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48628383468.

The product of its (nonzero) digits is 1881600, while the sum is 51.

The spelling of 27280523108157 in words is "twenty-seven trillion, two hundred eighty billion, five hundred twenty-three million, one hundred eight thousand, one hundred fifty-seven".

Divisors: 1 3 11 17 33 51 187 561 48628383437 145885150311 534912217807 826682518429 1604736653421 2480047555287 9093507702719 27280523108157