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6381938251382 = 213723291745443
BaseRepresentation
bin101110011011110100100…
…1010011001011001110110
3211121002220020202000200112
41130313221022121121312
51314030202143021012
621323453313143022
71226036244041021
oct134675112313166
924532806660615
106381938251382
112040623847781
12870a4225aa72
13373a77a2aa05
14180c5d2901b8
15b101ed7c122
hex5cde9299676

6381938251382 has 8 divisors (see below), whose sum is σ = 9642782613816. Its totient is φ = 3167677380112.

The previous prime is 6381938251379. The next prime is 6381938251387. The reversal of 6381938251382 is 2831528391836.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6381938251387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11645872448 + ... + 11645872995.

It is an arithmetic number, because the mean of its divisors is an integer number (1205347826727).

Almost surely, 26381938251382 is an apocalyptic number.

6381938251382 is a deficient number, since it is larger than the sum of its proper divisors (3260844362434).

6381938251382 is a wasteful number, since it uses less digits than its factorization.

6381938251382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23291745582.

The product of its digits is 14929920, while the sum is 59.

The spelling of 6381938251382 in words is "six trillion, three hundred eighty-one billion, nine hundred thirty-eight million, two hundred fifty-one thousand, three hundred eighty-two".

Divisors: 1 2 137 274 23291745443 46583490886 3190969125691 6381938251382