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27424630340 = 2251371231517
BaseRepresentation
bin11001100010101000…
…101010011001000100
32121210021021120100122
4121202220222121010
5422131201132330
620333153001112
71660415340332
oct314250523104
977707246318
1027424630340
11106a3541758
125394553198
132780967023
1414823b8b52
15aa79b15e5
hex662a2a644

27424630340 has 12 divisors (see below), whose sum is σ = 57591723756. Its totient is φ = 10969852128.

The previous prime is 27424630327. The next prime is 27424630349. The reversal of 27424630340 is 4303642472.

It can be written as a sum of positive squares in 2 ways, for example, as 7096714564 + 20327915776 = 84242^2 + 142576^2 .

It is a super-2 number, since 2×274246303402 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27424630340.

It is not an unprimeable number, because it can be changed into a prime (27424630349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685615739 + ... + 685615778.

It is an arithmetic number, because the mean of its divisors is an integer number (4799310313).

Almost surely, 227424630340 is an apocalyptic number.

27424630340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27424630340 is an abundant number, since it is smaller than the sum of its proper divisors (30167093416).

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

27424630340 is a wasteful number, since it uses less digits than its factorization.

27424630340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371231526 (or 1371231524 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 35.

The spelling of 27424630340 in words is "twenty-seven billion, four hundred twenty-four million, six hundred thirty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1371231517 2742463034 5484926068 6856157585 13712315170 27424630340