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51338419415 = 5331264711719
BaseRepresentation
bin101111110100000000…
…100001110011010111
311220111212021220220022
4233310000201303113
51320120113410130
635330132255355
73465133236113
oct576400416327
9156455256808
1051338419415
111a8552213a8
129b4917155b
134ac2139c8a
1426b03b2743
1515071237e5
hexbf4021cd7

51338419415 has 16 divisors (see below), whose sum is σ = 61820843520. Its totient is φ = 40927692960.

The previous prime is 51338419403. The next prime is 51338419417. The reversal of 51338419415 is 51491483315.

51338419415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51338419415 - 26 = 51338419351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51338419417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4374926 + ... + 4386644.

It is an arithmetic number, because the mean of its divisors is an integer number (3863802720).

Almost surely, 251338419415 is an apocalyptic number.

51338419415 is a deficient number, since it is larger than the sum of its proper divisors (10482424105).

51338419415 is a wasteful number, since it uses less digits than its factorization.

51338419415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14702.

The product of its digits is 259200, while the sum is 44.

The spelling of 51338419415 in words is "fifty-one billion, three hundred thirty-eight million, four hundred nineteen thousand, four hundred fifteen".

Divisors: 1 5 331 1655 2647 11719 13235 58595 876157 3878989 4380785 19394945 31020193 155100965 10267683883 51338419415