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13611839090 = 251729378713
BaseRepresentation
bin11001010110101010…
…00010111001110010
31022010122002001220112
430223111002321302
5210334112322330
610130404541322
7661212503033
oct145325027162
938118061815
1013611839090
11585558a1a3
12277a6b1842
13138c084275
14931b14a8a
1554a00c795
hex32b542e72

13611839090 has 16 divisors (see below), whose sum is σ = 24503038488. Its totient is φ = 5444351616.

The previous prime is 13611839029. The next prime is 13611839107. The reversal of 13611839090 is 9093811631.

13611839090 is digitally balanced in base 2, 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 8473386601 + 5138452489 = 92051^2 + 71683^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133574 + ... + 212286.

Almost surely, 213611839090 is an apocalyptic number.

13611839090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13611839090 is a deficient number, since it is larger than the sum of its proper divisors (10891199398).

13611839090 is a wasteful number, since it uses less digits than its factorization.

13611839090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96013.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 13611839090 in words is "thirteen billion, six hundred eleven million, eight hundred thirty-nine thousand, ninety".

Divisors: 1 2 5 10 17293 34586 78713 86465 157426 172930 393565 787130 1361183909 2722367818 6805919545 13611839090