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3989425326751 = 79541547170647
BaseRepresentation
bin111010000011011100010…
…001111000101010011111
3112010101101220120122022101
4322003130101320222133
51010330320340424001
612252414450025531
7561140451525004
oct72033421705237
915111356518271
103989425326751
1112a89a6658097
125452165782a7
1322c28003c527
14db136b478ab
156db92933a01
hex3a0dc478a9f

3989425326751 has 16 divisors (see below), whose sum is σ = 4054814909440. Its totient is φ = 3924434797920.

The previous prime is 3989425326737. The next prime is 3989425326857. The reversal of 3989425326751 is 1576235249893.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3989425326751 - 233 = 3980835392159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989425326151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23292910 + ... + 23463556.

It is an arithmetic number, because the mean of its divisors is an integer number (253425931840).

Almost surely, 23989425326751 is an apocalyptic number.

3989425326751 is a deficient number, since it is larger than the sum of its proper divisors (65389582689).

3989425326751 is a wasteful number, since it uses less digits than its factorization.

3989425326751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171814.

The product of its digits is 97977600, while the sum is 64.

The spelling of 3989425326751 in words is "three trillion, nine hundred eighty-nine billion, four hundred twenty-five million, three hundred twenty-six thousand, seven hundred fifty-one".

Divisors: 1 79 541 547 42739 43213 170647 295927 13481113 23378233 92320027 93343909 7293282133 7374168811 50499054769 3989425326751