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6426947890080 = 25345172331163251
BaseRepresentation
bin101110110000110001111…
…1100100010101110100000
3211202102002001022120120000
41131201203330202232200
51320244342124440310
621400255450020000
71232221521462324
oct135414374425640
924672061276500
106426947890080
112058720596493
12879703a17600
1337809b935113
141830ccd0b984
15b22a65714c0
hex5d863f22ba0

6426947890080 has 1920 divisors, whose sum is σ = 26130955124736. Its totient is φ = 1478062080000.

The previous prime is 6426947890043. The next prime is 6426947890091. The reversal of 6426947890080 is 800987496246.

6426947890080 is a `hidden beast` number, since 6 + 426 + 9 + 47 + 8 + 90 + 0 + 80 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 25605369955 + ... + 25605370205.

Almost surely, 26426947890080 is an apocalyptic number.

6426947890080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6426947890080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13065477562368).

6426947890080 is an abundant number, since it is smaller than the sum of its proper divisors (19704007234656).

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

6426947890080 is a wasteful number, since it uses less digits than its factorization.

6426947890080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 6426947890080 in words is "six trillion, four hundred twenty-six billion, nine hundred forty-seven million, eight hundred ninety thousand, eighty".