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54182077949 = 133274065587
BaseRepresentation
bin110010011101100000…
…001110010111111101
312011212001010202001202
4302131200032113331
51341431102443244
640520233545245
73625453030556
oct623540162775
9164761122052
1054182077949
1120a8440911a
12a601575225
13515631206c
14289dd1d32d
151621ad404e
hexc9d80e5fd

54182077949 has 4 divisors (see below), whose sum is σ = 54186156864. Its totient is φ = 54177999036.

The previous prime is 54182077933. The next prime is 54182077951. The reversal of 54182077949 is 94977028145.

It is a happy number.

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 54182077949 - 24 = 54182077933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54182077894 and 54182077903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54182077979) 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, 2019467 + ... + 2046120.

It is an arithmetic number, because the mean of its divisors is an integer number (13546539216).

Almost surely, 254182077949 is an apocalyptic number.

It is an amenable number.

54182077949 is a deficient number, since it is larger than the sum of its proper divisors (4078915).

54182077949 is a wasteful number, since it uses less digits than its factorization.

54182077949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078914.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 54182077949 in words is "fifty-four billion, one hundred eighty-two million, seventy-seven thousand, nine hundred forty-nine".

Divisors: 1 13327 4065587 54182077949