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425320553999999 = 71721499166245979
BaseRepresentation
bin110000010110100111010100…
…0100010010110111001111111
32001202221020200200202011100002
41200231032220202112321333
5421221422443310444444
64104325322022224515
7155405252551530230
oct14055165042267177
92052836620664302
10425320553999999
1111357a485715949
123b851b80b8513b
131534272cb10308
1477058a6087087
15342886c593d4e
hex182d3a8896e7f

425320553999999 has 16 divisors (see below), whose sum is σ = 514697554080000. Its totient is φ = 343099779364224.

The previous prime is 425320553999993. The next prime is 425320554000007. The reversal of 425320553999999 is 999999355023524.

It is a cyclic number.

It is not a de Polignac number, because 425320553999999 - 220 = 425320552951423 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 (425320553999993) 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, 80564609 + ... + 85681370.

It is an arithmetic number, because the mean of its divisors is an integer number (32168597130000).

Almost surely, 2425320553999999 is an apocalyptic number.

425320553999999 is a deficient number, since it is larger than the sum of its proper divisors (89377000080001).

425320553999999 is a wasteful number, since it uses less digits than its factorization.

425320553999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166267502.

The product of its (nonzero) digits is 9565938000, while the sum is 83.

The spelling of 425320553999999 in words is "four hundred twenty-five trillion, three hundred twenty billion, five hundred fifty-three million, nine hundred ninety-nine thousand, nine hundred ninety-nine".

Divisors: 1 7 17 119 21499 150493 365483 2558381 166245979 1163721853 2826181643 19783271501 3574122302521 25018856117647 60760079142857 425320553999999