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54719761439 = 734743352027
BaseRepresentation
bin110010111101100011…
…010100110000011111
312020020111212220011002
4302331203110300133
51344031224331224
641045442220515
73645002204120
oct627543246037
9166214786132
1054719761439
112122a973742
12a73165473b
13521082c485
1429114c4047
151653de29ae
hexcbd8d4c1f

54719761439 has 16 divisors (see below), whose sum is σ = 62863143168. Its totient is φ = 46658581632.

The previous prime is 54719761391. The next prime is 54719761451. The reversal of 54719761439 is 93416791745.

It is a cyclic number.

It is not a de Polignac number, because 54719761439 - 28 = 54719761183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54719761639) 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, 1025744 + ... + 1077770.

It is an arithmetic number, because the mean of its divisors is an integer number (3928946448).

Almost surely, 254719761439 is an apocalyptic number.

54719761439 is a deficient number, since it is larger than the sum of its proper divisors (8143381729).

54719761439 is a wasteful number, since it uses less digits than its factorization.

54719761439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52814.

The product of its digits is 5715360, while the sum is 56.

The spelling of 54719761439 in words is "fifty-four billion, seven hundred nineteen million, seven hundred sixty-one thousand, four hundred thirty-nine".

Divisors: 1 7 347 433 2429 3031 52027 150251 364189 1051757 18053369 22527691 126373583 157693837 7817108777 54719761439