Search a number
-
+
27207079146 = 23413219193271
BaseRepresentation
bin11001010101101010…
…110001010011101010
32121020002220211020000
4121111222301103222
5421210003013041
620255422043430
71652134233312
oct312552612352
977202824200
1027207079146
11105a1761285
125333719576
132747876100
141461548442
15a9383bbb6
hex655ab14ea

27207079146 has 240 divisors, whose sum is σ = 70106509440. Its totient is φ = 7860602880.

The previous prime is 27207079139. The next prime is 27207079171. The reversal of 27207079146 is 64197070272.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 100394991 + ... + 100395261.

It is an arithmetic number, because the mean of its divisors is an integer number (292110456).

Almost surely, 227207079146 is an apocalyptic number.

27207079146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 27207079146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35053254720).

27207079146 is an abundant number, since it is smaller than the sum of its proper divisors (42899430294).

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

27207079146 is a wasteful number, since it uses less digits than its factorization.

27207079146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 27207079146 in words is "twenty-seven billion, two hundred seven million, seventy-nine thousand, one hundred forty-six".