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1368142090 = 25719544887
BaseRepresentation
bin101000110001100…
…0011000100001010
310112100101211010021
41101203003010022
510300221021330
6343432011054
745622005310
oct12143030412
93470354107
101368142090
1164230a447
12322230a8a
1318a5a5c43
14cd9bc0b0
15801a067a
hex518c310a

1368142090 has 16 divisors (see below), whose sum is σ = 2814463872. Its totient is φ = 469077264.

The previous prime is 1368142033. The next prime is 1368142121. The reversal of 1368142090 is 902418631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9772374 + ... + 9772513.

It is an arithmetic number, because the mean of its divisors is an integer number (175903992).

Almost surely, 21368142090 is an apocalyptic number.

1368142090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1368142090 is an abundant number, since it is smaller than the sum of its proper divisors (1446321782).

1368142090 is a wasteful number, since it uses less digits than its factorization.

1368142090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19544901.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1368142090 is about 36988.4048047493. The cubic root of 1368142090 is about 1110.1382534826.

The spelling of 1368142090 in words is "one billion, three hundred sixty-eight million, one hundred forty-two thousand, ninety".

Divisors: 1 2 5 7 10 14 35 70 19544887 39089774 97724435 136814209 195448870 273628418 684071045 1368142090