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14440137690 = 2351143757993
BaseRepresentation
bin11010111001011001…
…10000001111011010
31101021100122222222110
431130230300033122
5214033133401230
610344514133150
71020561100536
oct153454601732
941240588873
1014440137690
1161400991a0
12296bb811b6
131491864894
149adb28bc6
15597ac44b0
hex35cb303da

14440137690 has 32 divisors (see below), whose sum is σ = 37806906816. Its totient is φ = 3500639360.

The previous prime is 14440137629. The next prime is 14440137713. The reversal of 14440137690 is 9673104441.

It is a super-2 number, since 2×144401376902 (a number of 21 digits) 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, 21878667 + ... + 21879326.

It is an arithmetic number, because the mean of its divisors is an integer number (1181465838).

Almost surely, 214440137690 is an apocalyptic number.

14440137690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14440137690 is an abundant number, since it is smaller than the sum of its proper divisors (23366769126).

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

14440137690 is a wasteful number, since it uses less digits than its factorization.

14440137690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43758014.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 14440137690 in words is "fourteen billion, four hundred forty million, one hundred thirty-seven thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 43757993 87515986 131273979 218789965 262547958 437579930 481337923 656369895 962675846 1312739790 1444013769 2406689615 2888027538 4813379230 7220068845 14440137690