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52623439680 = 26357193371223
BaseRepresentation
bin110001000000100110…
…011111011101000000
312000211102021201022110
4301000212133131000
51330233100032210
640101434535320
73542025566640
oct610046373500
9160742251273
1052623439680
1120354618119
12a247597540
134c6842b8b6
142792d14520
15157ed55420
hexc4099f740

52623439680 has 448 divisors, whose sum is σ = 201759068160. Its totient is φ = 11352047616.

The previous prime is 52623439669. The next prime is 52623439721. The reversal of 52623439680 is 8693432625.

It is a tau number, because it is divible by the number of its divisors (448).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43027549 + ... + 43028771.

Almost surely, 252623439680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52623439680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100879534080).

52623439680 is an abundant number, since it is smaller than the sum of its proper divisors (149135628480).

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

52623439680 is a wasteful number, since it uses less digits than its factorization.

52623439680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 52623439680 in words is "fifty-two billion, six hundred twenty-three million, four hundred thirty-nine thousand, six hundred eighty".