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5068838421 = 323715221737
BaseRepresentation
bin1001011100010000…
…00101011000010101
3111002020220200010100
410232020011120111
540340110312141
62154550444313
7236416262403
oct45610053025
914066820110
105068838421
112171255369
12b95663699
1362a1b179a
143612a0473
151ea0030b6
hex12e205615

5068838421 has 12 divisors (see below), whose sum is σ = 7519538572. Its totient is φ = 3287894976.

The previous prime is 5068838389. The next prime is 5068838443. The reversal of 5068838421 is 1248388605.

It can be written as a sum of positive squares in 2 ways, for example, as 3388986225 + 1679852196 = 58215^2 + 40986^2 .

It is not a de Polignac number, because 5068838421 - 25 = 5068838389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5068838491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7610536 + ... + 7611201.

Almost surely, 25068838421 is an apocalyptic number.

It is an amenable number.

5068838421 is a deficient number, since it is larger than the sum of its proper divisors (2450700151).

5068838421 is a wasteful number, since it uses less digits than its factorization.

5068838421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15221780 (or 15221777 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 5068838421 is about 71195.7753030333. The cubic root of 5068838421 is about 1717.7876754131.

The spelling of 5068838421 in words is "five billion, sixty-eight million, eight hundred thirty-eight thousand, four hundred twenty-one".

Divisors: 1 3 9 37 111 333 15221737 45665211 136995633 563204269 1689612807 5068838421