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13940744086 = 28985819127
BaseRepresentation
bin11001111101110111…
…01101111110010110
31022222112222011202001
430332323231332112
5212022312302321
610223154305514
71002315240523
oct147673557626
938875864661
1013940744086
115a04206405
12285088829a
1314122627c9
1496369014a
15568d2ac91
hex33eeedf96

13940744086 has 16 divisors (see below), whose sum is σ = 21150853920. Its totient is φ = 6890495040.

The previous prime is 13940744029. The next prime is 13940744117. The reversal of 13940744086 is 68044704931.

It is a congruent number.

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, 1522855 + ... + 1531981.

It is an arithmetic number, because the mean of its divisors is an integer number (1321928370).

Almost surely, 213940744086 is an apocalyptic number.

13940744086 is a deficient number, since it is larger than the sum of its proper divisors (7210109834).

13940744086 is an equidigital number, since it uses as much as digits as its factorization.

13940744086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17799.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 13940744086 in words is "thirteen billion, nine hundred forty million, seven hundred forty-four thousand, eighty-six".

Divisors: 1 2 89 178 8581 9127 17162 18254 763709 812303 1527418 1624606 78318787 156637574 6970372043 13940744086