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54436027659 = 3131913729637
BaseRepresentation
bin110010101100101000…
…111101110100001011
312012111201222201120120
4302230220331310023
51342441110341114
641001344554323
73634655412666
oct625450756413
9165451881516
1054436027659
11210a479a312
12a6726229a3
135196b08470
1428c59466dd
1516390485a9
hexcaca3dd0b

54436027659 has 16 divisors (see below), whose sum is σ = 78205519392. Its totient is φ = 33481536768.

The previous prime is 54436027649. The next prime is 54436027661. The reversal of 54436027659 is 95672063445.

It is not a de Polignac number, because 54436027659 - 25 = 54436027627 is a prime.

It is a super-2 number, since 2×544360276592 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54436027649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290212 + ... + 439425.

It is an arithmetic number, because the mean of its divisors is an integer number (4887844962).

Almost surely, 254436027659 is an apocalyptic number.

54436027659 is a deficient number, since it is larger than the sum of its proper divisors (23769491733).

54436027659 is a wasteful number, since it uses less digits than its factorization.

54436027659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731566.

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 54436027659 in words is "fifty-four billion, four hundred thirty-six million, twenty-seven thousand, six hundred fifty-nine".

Divisors: 1 3 13 39 1913 5739 24869 74607 729637 2188911 9485281 28455843 1395795581 4187386743 18145342553 54436027659