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27828227020 = 22511126491941
BaseRepresentation
bin11001111010101100…
…010000101111001100
32122211101201101220211
4121322230100233030
5423443011231040
620441211252204
72003416012126
oct317254205714
978741641824
1027828227020
1110890343930
12548774a064
132816467729
1414bdc38216
15acd1358ea
hex67ab10bcc

27828227020 has 24 divisors (see below), whose sum is σ = 63751938768. Its totient is φ = 10119355200.

The previous prime is 27828227017. The next prime is 27828227041. The reversal of 27828227020 is 2072282872.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63245751 + ... + 63246190.

It is an arithmetic number, because the mean of its divisors is an integer number (2656330782).

Almost surely, 227828227020 is an apocalyptic number.

27828227020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27828227020 is an abundant number, since it is smaller than the sum of its proper divisors (35923711748).

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

27828227020 is a wasteful number, since it uses less digits than its factorization.

27828227020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126491961 (or 126491959 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The spelling of 27828227020 in words is "twenty-seven billion, eight hundred twenty-eight million, two hundred twenty-seven thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 126491941 252983882 505967764 632459705 1264919410 1391411351 2529838820 2782822702 5565645404 6957056755 13914113510 27828227020