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1368069090 = 235115339551
BaseRepresentation
bin101000110001011…
…0001001111100010
310112100021002222120
41101202301033202
510300211202330
6343430245110
745621252423
oct12142611742
93470232876
101368069090
1164226a613
123221b6796
1318a57b94b
14cd99d64a
1580188c10
hex518b13e2

1368069090 has 32 divisors (see below), whose sum is σ = 3286296576. Its totient is φ = 364492800.

The previous prime is 1368069071. The next prime is 1368069119. The reversal of 1368069090 is 909608631.

It is a super-2 number, since 2×13680690902 = 3743226070026856200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14815 + ... + 54365.

It is an arithmetic number, because the mean of its divisors is an integer number (102696768).

Almost surely, 21368069090 is an apocalyptic number.

1368069090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1368069090 is an abundant number, since it is smaller than the sum of its proper divisors (1918227486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1368069090 is a wasteful number, since it uses less digits than its factorization.

1368069090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40714.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 1368069090 is about 36987.4179958537. The cubic root of 1368069090 is about 1110.1185085710.

The spelling of 1368069090 in words is "one billion, three hundred sixty-eight million, sixty-nine thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 1153 2306 3459 5765 6918 11530 17295 34590 39551 79102 118653 197755 237306 395510 593265 1186530 45602303 91204606 136806909 228011515 273613818 456023030 684034545 1368069090