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27503143490 = 2517161783197
BaseRepresentation
bin11001100111010100…
…001010101001000010
32121222202000110011002
4121213110022221002
5422311301042430
620345035452002
71662360601544
oct314724125102
977882013132
1027503143490
1110733897859
1253b68b7002
132793cc6704
14148c9b5694
15aae81e845
hex66750aa42

27503143490 has 16 divisors (see below), whose sum is σ = 52417756152. Its totient is φ = 10354124544.

The previous prime is 27503143471. The next prime is 27503143501. The reversal of 27503143490 is 9434130572.

27503143490 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16133826361 + 11369317129 = 127019^2 + 106627^2 .

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, 80891429 + ... + 80891768.

Almost surely, 227503143490 is an apocalyptic number.

27503143490 is a deficient number, since it is larger than the sum of its proper divisors (24914612662).

27503143490 is a wasteful number, since it uses less digits than its factorization.

27503143490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161783221.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 27503143490 in words is "twenty-seven billion, five hundred three million, one hundred forty-three thousand, four hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 161783197 323566394 808915985 1617831970 2750314349 5500628698 13751571745 27503143490