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54635412421 = 71799740669
BaseRepresentation
bin110010111000100001…
…100011101111000101
312020000122011112001101
4302320201203233011
51343343131144141
641033230300101
73642626225452
oct627041435705
9166018145041
1054635412421
11211972a2007
12a709357631
1351c9208705
142904208829
15164b7d0531
hexcb8863bc5

54635412421 has 8 divisors (see below), whose sum is σ = 56106259200. Its totient is φ = 53184047280.

The previous prime is 54635412383. The next prime is 54635412449. The reversal of 54635412421 is 12421453645.

54635412421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54635412421 is a prime.

It is a super-2 number, since 2×546354124212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54635412521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4864726 + ... + 4875943.

It is an arithmetic number, because the mean of its divisors is an integer number (7013282400).

Almost surely, 254635412421 is an apocalyptic number.

It is an amenable number.

54635412421 is a deficient number, since it is larger than the sum of its proper divisors (1470846779).

54635412421 is an equidigital number, since it uses as much as digits as its factorization.

54635412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9740819.

The product of its digits is 115200, while the sum is 37.

The spelling of 54635412421 in words is "fifty-four billion, six hundred thirty-five million, four hundred twelve thousand, four hundred twenty-one".

Divisors: 1 71 79 5609 9740669 691587499 769512851 54635412421