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27361111640 = 235684027791
BaseRepresentation
bin11001011110110110…
…010110111001011000
32121121211202111002012
4121132312112321120
5422013421033030
620323003325052
71656014416532
oct313666267130
977554674065
1027361111640
11106706a8165
125377220788
1327707575b5
141477ba2852
15aa2116095
hex65ed96e58

27361111640 has 16 divisors (see below), whose sum is σ = 61562501280. Its totient is φ = 10944444640.

The previous prime is 27361111637. The next prime is 27361111691. The reversal of 27361111640 is 4611116372.

It is a junction number, because it is equal to n+sod(n) for n = 27361111597 and 27361111606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342013856 + ... + 342013935.

It is an arithmetic number, because the mean of its divisors is an integer number (3847656330).

Almost surely, 227361111640 is an apocalyptic number.

27361111640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27361111640 is an abundant number, since it is smaller than the sum of its proper divisors (34201389640).

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

27361111640 is a wasteful number, since it uses less digits than its factorization.

27361111640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684027802 (or 684027798 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 27361111640 in words is "twenty-seven billion, three hundred sixty-one million, one hundred eleven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 684027791 1368055582 2736111164 3420138955 5472222328 6840277910 13680555820 27361111640