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27400750484 = 22171549260137
BaseRepresentation
bin11001100001001101…
…100100010110010100
32121201121100100100112
4121201031210112110
5422104043003414
620330541102152
71660005351632
oct314115442624
977647310315
1027400750484
1110691011438
125388557958
132778a25933
14147d160352
15aa5845d3e
hex661364594

27400750484 has 24 divisors (see below), whose sum is σ = 50804951400. Its totient is φ = 12886096896.

The previous prime is 27400750463. The next prime is 27400750523. The reversal of 27400750484 is 48405700472.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2983562884 + 24417187600 = 54622^2 + 156260^2 .

It is a super-2 number, since 2×274007504842 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24737 + ... + 235400.

It is an arithmetic number, because the mean of its divisors is an integer number (2116872975).

Almost surely, 227400750484 is an apocalyptic number.

It is an amenable number.

27400750484 is a deficient number, since it is larger than the sum of its proper divisors (23404200916).

27400750484 is a wasteful number, since it uses less digits than its factorization.

27400750484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261707 (or 261705 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 41.

The spelling of 27400750484 in words is "twenty-seven billion, four hundred million, seven hundred fifty thousand, four hundred eighty-four".

Divisors: 1 2 4 17 34 68 1549 3098 6196 26333 52666 105332 260137 520274 1040548 4422329 8844658 17689316 402952213 805904426 1611808852 6850187621 13700375242 27400750484