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54374940517 = 283192137599
BaseRepresentation
bin110010101000111111…
…111011111101100101
312012100111001011202211
4302220333323331211
51342324441044032
640551323403421
73633314240242
oct625077737545
9165314034684
1054374940517
1121073266677
12a656083571
13518726a721
1428bb7a45c9
1516339cd747
hexca8ffbf65

54374940517 has 4 divisors (see below), whose sum is σ = 54567078400. Its totient is φ = 54182802636.

The previous prime is 54374940511. The next prime is 54374940539. The reversal of 54374940517 is 71504947345.

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 not a de Polignac number, because 54374940517 - 211 = 54374938469 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 (54374940511) 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, 96068517 + ... + 96069082.

It is an arithmetic number, because the mean of its divisors is an integer number (13641769600).

Almost surely, 254374940517 is an apocalyptic number.

It is an amenable number.

54374940517 is a deficient number, since it is larger than the sum of its proper divisors (192137883).

54374940517 is a wasteful number, since it uses less digits than its factorization.

54374940517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192137882.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 54374940517 in words is "fifty-four billion, three hundred seventy-four million, nine hundred forty thousand, five hundred seventeen".

Divisors: 1 283 192137599 54374940517