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27400750475 = 527678292819
BaseRepresentation
bin11001100001001101…
…100100010110001011
32121201121100100100012
4121201031210112023
5422104043003400
620330541102135
71660005351620
oct314115442613
977647310305
1027400750475
111069101142a
12538855794b
132778a25927
14147d160347
15aa5845d35
hex66136458b

27400750475 has 48 divisors (see below), whose sum is σ = 39471878400. Its totient is φ = 18479767680.

The previous prime is 27400750463. The next prime is 27400750523. The reversal of 27400750475 is 57405700472.

It is not a de Polignac number, because 27400750475 - 214 = 27400734091 is a prime.

It is a super-2 number, since 2×274007504752 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9718616 + ... + 9721434.

It is an arithmetic number, because the mean of its divisors is an integer number (822330800).

Almost surely, 227400750475 is an apocalyptic number.

27400750475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27400750475 is a deficient number, since it is larger than the sum of its proper divisors (12071127925).

27400750475 is a wasteful number, since it uses less digits than its factorization.

27400750475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732 (or 3727 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 41.

The spelling of 27400750475 in words is "twenty-seven billion, four hundred million, seven hundred fifty thousand, four hundred seventy-five".

Divisors: 1 5 7 25 35 67 175 335 469 829 1675 2345 2819 4145 5803 11725 14095 19733 20725 29015 55543 70475 98665 145075 188873 277715 388801 493325 944365 1322111 1388575 1944005 2336951 4721825 6610555 9720025 11684755 16358657 33052775 58423775 81793285 156575717 408966425 782878585 1096030019 3914392925 5480150095 27400750475