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51942690382 = 2112361031381
BaseRepresentation
bin110000011000000001…
…101000111001001110
311222001222100001211111
4300120001220321032
51322334312043012
635510120042234
73516121404052
oct603001507116
9158058301744
1051942690382
11200353270a0
12a09760337a
134b8a39c86b
14272a74bc62
1515401d6ba7
hexc18068e4e

51942690382 has 8 divisors (see below), whose sum is σ = 84997129752. Its totient is φ = 23610313800.

The previous prime is 51942690361. The next prime is 51942690383. The reversal of 51942690382 is 28309624915.

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 (51942690383) 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, 1180515669 + ... + 1180515712.

It is an arithmetic number, because the mean of its divisors is an integer number (10624641219).

Almost surely, 251942690382 is an apocalyptic number.

51942690382 is a deficient number, since it is larger than the sum of its proper divisors (33054439370).

51942690382 is a wasteful number, since it uses less digits than its factorization.

51942690382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361031394.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 51942690382 in words is "fifty-one billion, nine hundred forty-two million, six hundred ninety thousand, three hundred eighty-two".

Divisors: 1 2 11 22 2361031381 4722062762 25971345191 51942690382