Search a number
-
+
56840326830 = 237572293159
BaseRepresentation
bin110100111011111100…
…101000111010101110
312102201022002210000000
4310323330220322232
51412402110424310
642040113245130
74051361543400
oct647374507256
9172638083000
1056840326830
1122118978921
12b0238637a6
13548ac6abb1
142a72da4b70
15172a16d4c0
hexd3bf28eae

56840326830 has 768 divisors, whose sum is σ = 193840128000. Its totient is φ = 11933671680.

The previous prime is 56840326787. The next prime is 56840326909. The reversal of 56840326830 is 3862304865.

It is a happy number.

56840326830 is a `hidden beast` number, since 568 + 4 + 0 + 3 + 2 + 6 + 83 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 963395341 + ... + 963395399.

It is an arithmetic number, because the mean of its divisors is an integer number (252396000).

Almost surely, 256840326830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56840326830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96920064000).

56840326830 is an abundant number, since it is smaller than the sum of its proper divisors (136999801170).

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

56840326830 is a wasteful number, since it uses less digits than its factorization.

56840326830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 56840326830 in words is "fifty-six billion, eight hundred forty million, three hundred twenty-six thousand, eight hundred thirty".