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52473978480 = 24357311167347
BaseRepresentation
bin110000110111101100…
…010101111001110000
312000110000001022002110
4300313230111321300
51324431314302410
640034535245320
73535232313000
oct606754257160
9160400038073
1052473978480
1120288213770
12a205519840
134c4348b011
14277b12a000
151571b80720
hexc37b15e70

52473978480 has 640 divisors, whose sum is σ = 208786636800. Its totient is φ = 10807157760.

The previous prime is 52473978463. The next prime is 52473978539. The reversal of 52473978480 is 8487937425.

It is a super-2 number, since 2×524739784802 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52473978480.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 151221667 + ... + 151222013.

It is an arithmetic number, because the mean of its divisors is an integer number (326229120).

Almost surely, 252473978480 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 52473978480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104393318400).

52473978480 is an abundant number, since it is smaller than the sum of its proper divisors (156312658320).

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

52473978480 is a wasteful number, since it uses less digits than its factorization.

52473978480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 52473978480 in words is "fifty-two billion, four hundred seventy-three million, nine hundred seventy-eight thousand, four hundred eighty".