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27400917142 = 213700458571
BaseRepresentation
bin11001100001001110…
…001101000010010110
32121201121122210222001
4121201032031002112
5422104113322032
620330544425514
71660006644544
oct314116150226
977647583861
1027400917142
1110691115675
12538861829a
132778a83751
14147d1a4d94
15aa587a3e7
hex66138d096

27400917142 has 4 divisors (see below), whose sum is σ = 41101375716. Its totient is φ = 13700458570.

The previous prime is 27400917121. The next prime is 27400917163. The reversal of 27400917142 is 24171900472.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (27400917121) and next prime (27400917163).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6850229284 + ... + 6850229287.

It is an arithmetic number, because the mean of its divisors is an integer number (10275343929).

Almost surely, 227400917142 is an apocalyptic number.

27400917142 is a deficient number, since it is larger than the sum of its proper divisors (13700458574).

27400917142 is a wasteful number, since it uses less digits than its factorization.

27400917142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13700458573.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 27400917142 in words is "twenty-seven billion, four hundred million, nine hundred seventeen thousand, one hundred forty-two".

Divisors: 1 2 13700458571 27400917142