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16426570664 = 2372107391631
BaseRepresentation
bin11110100110001100…
…11001001110101000
31120101210111020202002
433103012121032220
5232120200230124
611313554230132
71121031355400
oct172306311650
946353436662
1016426570664
116a6a409739
123225285348
13171a26b8ca
14b1b891800
156621a70ae
hex3d31993a8

16426570664 has 48 divisors (see below), whose sum is σ = 36163298880. Its totient is φ = 6974147040.

The previous prime is 16426570661. The next prime is 16426570673. The reversal of 16426570664 is 46607562461.

16426570664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16426570661) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 153872 + ... + 237759.

It is an arithmetic number, because the mean of its divisors is an integer number (753402060).

Almost surely, 216426570664 is an apocalyptic number.

16426570664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16426570664 is an abundant number, since it is smaller than the sum of its proper divisors (19736728216).

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

16426570664 is a wasteful number, since it uses less digits than its factorization.

16426570664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391758 (or 391747 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 16426570664 in words is "sixteen billion, four hundred twenty-six million, five hundred seventy thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 49 56 98 107 196 214 392 428 749 856 1498 2996 5243 5992 10486 20972 41944 391631 783262 1566524 2741417 3133048 5482834 10965668 19189919 21931336 38379838 41904517 76759676 83809034 153519352 167618068 293331619 335236136 586663238 1173326476 2053321333 2346652952 4106642666 8213285332 16426570664