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54130353389 = 77732907627
BaseRepresentation
bin110010011010011010…
…111010010011101101
312011201102210212022022
4302122122322103231
51341324332302024
640511145155525
73624254261240
oct623232722355
9164642725268
1054130353389
1120a5819a752
12a5a818bba5
1351486a1a08
1428970d7257
15161c2b835e
hexc9a6ba4ed

54130353389 has 4 divisors (see below), whose sum is σ = 61863261024. Its totient is φ = 46397445756.

The previous prime is 54130353383. The next prime is 54130353427. The reversal of 54130353389 is 98335303145.

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-54130353389 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 (54130353383) 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, 3866453807 + ... + 3866453820.

It is an arithmetic number, because the mean of its divisors is an integer number (15465815256).

Almost surely, 254130353389 is an apocalyptic number.

It is an amenable number.

54130353389 is a deficient number, since it is larger than the sum of its proper divisors (7732907635).

54130353389 is an equidigital number, since it uses as much as digits as its factorization.

54130353389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7732907634.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 54130353389 in words is "fifty-four billion, one hundred thirty million, three hundred fifty-three thousand, three hundred eighty-nine".

Divisors: 1 7 7732907627 54130353389