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54336160421 = 79687799499
BaseRepresentation
bin110010100110101100…
…000000001010100101
312012020210001221110222
4302212230000022211
51342240024113141
640543420254125
73632333512604
oct624654001245
9165223057428
1054336160421
1121053389604
12a6450a1345
13517c21021a
1428b658ba3b
1516303bd14b
hexca6b002a5

54336160421 has 4 divisors (see below), whose sum is σ = 55023960000. Its totient is φ = 53648360844.

The previous prime is 54336160409. The next prime is 54336160429. The reversal of 54336160421 is 12406163345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54336160421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54336160429) 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, 343899671 + ... + 343899828.

It is an arithmetic number, because the mean of its divisors is an integer number (13755990000).

Almost surely, 254336160421 is an apocalyptic number.

It is an amenable number.

54336160421 is a deficient number, since it is larger than the sum of its proper divisors (687799579).

54336160421 is an equidigital number, since it uses as much as digits as its factorization.

54336160421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687799578.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 54336160421 in words is "fifty-four billion, three hundred thirty-six million, one hundred sixty thousand, four hundred twenty-one".

Divisors: 1 79 687799499 54336160421