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52739304384 = 26313711392141
BaseRepresentation
bin110001000111100000…
…011110101111000000
312001010111022020210210
4301013200132233000
51331002230220014
640121134154120
73544633455624
oct610740365700
9161114266723
1052739304384
1120403a64a78
12a27a352940
134c864384b0
1427a4475184
15158a0e0859
hexc4781ebc0

52739304384 has 224 divisors, whose sum is σ = 153557752320. Its totient is φ = 15876403200.

The previous prime is 52739304383. The next prime is 52739304389. The reversal of 52739304384 is 48340393725.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its 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 not an unprimeable number, because it can be changed into a prime (52739304383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24631954 + ... + 24634094.

It is an arithmetic number, because the mean of its divisors is an integer number (685525680).

Almost surely, 252739304384 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 52739304384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76778876160).

52739304384 is an abundant number, since it is smaller than the sum of its proper divisors (100818447936).

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

52739304384 is a wasteful number, since it uses less digits than its factorization.

52739304384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379 (or 2369 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 52739304384 in words is "fifty-two billion, seven hundred thirty-nine million, three hundred four thousand, three hundred eighty-four".