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52390963481 = 419434928751
BaseRepresentation
bin110000110010101111…
…101010100100011001
312000020012211200220212
4300302233222210121
51324244041312411
640022412100505
73533203561523
oct606257524431
9160205750825
1052390963481
112024537332a
12a1a1764735
134c2c21350c
1427700baa13
15156973368b
hexc32bea919

52390963481 has 8 divisors (see below), whose sum is σ = 52529904000. Its totient is φ = 52252090000.

The previous prime is 52390963459. The next prime is 52390963553. The reversal of 52390963481 is 18436909325.

It is a happy number.

52390963481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52390963481 - 214 = 52390947097 is a prime.

It is a super-2 number, since 2×523909634812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52390963411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1807856 + ... + 1836606.

It is an arithmetic number, because the mean of its divisors is an integer number (6566238000).

Almost surely, 252390963481 is an apocalyptic number.

It is an amenable number.

52390963481 is a deficient number, since it is larger than the sum of its proper divisors (138940519).

52390963481 is a wasteful number, since it uses less digits than its factorization.

52390963481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33519.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 52390963481 in words is "fifty-two billion, three hundred ninety million, nine hundred sixty-three thousand, four hundred eighty-one".

Divisors: 1 419 4349 28751 1822231 12046669 125038099 52390963481