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425660836930560 = 210325711712237577
BaseRepresentation
bin110000011001000101110001…
…0111110101110010000000000
32001211010210000121010002100100
41200302023202332232100000
5421243011343223234220
64105145520002322400
7155441660230651050
oct14062134276562000
92054123017102310
10425660836930560
111136a08245460a0
123b8a7b09059400
131536884c4c39ba
1477181471a5560
1534326364c5d90
hex18322e2fae400

425660836930560 has 2112 divisors, whose sum is σ = 1873349436801024. Its totient is φ = 86800741171200.

The previous prime is 425660836930543. The next prime is 425660836930579. The reversal of 425660836930560 is 65039638066524.

425660836930560 is a `hidden beast` number, since 4 + 2 + 5 + 6 + 6 + 0 + 8 + 3 + 69 + 3 + 0 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (2112).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 56178013492 + ... + 56178021068.

Almost surely, 2425660836930560 is an apocalyptic number.

425660836930560 is a gapful number since it is divisible by the number (40) 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 425660836930560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936674718400512).

425660836930560 is an abundant number, since it is smaller than the sum of its proper divisors (1447688599870464).

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

425660836930560 is a wasteful number, since it uses less digits than its factorization.

425660836930560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920 (or 7899 counting only the distinct ones).

The product of its (nonzero) digits is 167961600, while the sum is 63.

The spelling of 425660836930560 in words is "four hundred twenty-five trillion, six hundred sixty billion, eight hundred thirty-six million, nine hundred thirty thousand, five hundred sixty".