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27420547100 = 22522311921977
BaseRepresentation
bin11001100010011001…
…000101100000011100
32121202222121010012112
4121202121011200130
5422124130001400
620332525253152
71660335543002
oct314231054034
977688533175
1027420547100
11106a1202981
1253931041b8
13277cb675cb
141481a34a72
15aa7456835
hex66264581c

27420547100 has 36 divisors (see below), whose sum is σ = 62089661424. Its totient is φ = 10491338880.

The previous prime is 27420547093. The next prime is 27420547157. The reversal of 27420547100 is 174502472.

It is a super-3 number, since 3×274205471003 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5958689 + ... + 5963288.

Almost surely, 227420547100 is an apocalyptic number.

27420547100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27420547100 is an abundant number, since it is smaller than the sum of its proper divisors (34669114324).

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

27420547100 is a wasteful number, since it uses less digits than its factorization.

27420547100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11922014 (or 11922007 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The spelling of 27420547100 in words is "twenty-seven billion, four hundred twenty million, five hundred forty-seven thousand, one hundred".

Divisors: 1 2 4 5 10 20 23 25 46 50 92 100 115 230 460 575 1150 2300 11921977 23843954 47687908 59609885 119219770 238439540 274205471 298049425 548410942 596098850 1096821884 1192197700 1371027355 2742054710 5484109420 6855136775 13710273550 27420547100