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54049846949 = 725397214561
BaseRepresentation
bin110010010101100111…
…110011011010100101
312011111211022201020022
4302111213303122211
51341143230100244
640455151444525
73622256055500
oct622547633245
9164454281208
1054049846949
1120a16802aaa
12a585226745
135134ac4c77
14288a53c137
1516151b46ee
hexc959f36a5

54049846949 has 24 divisors (see below), whose sum is σ = 64721339928. Its totient is φ = 44985507840.

The previous prime is 54049846927. The next prime is 54049846969. The reversal of 54049846949 is 94964894045.

It can be written as a sum of positive squares in 4 ways, for example, as 2694129025 + 51355717924 = 51905^2 + 226618^2 .

It is not a de Polignac number, because 54049846949 - 212 = 54049842853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54049846891 and 54049846900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54049846969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144629 + ... + 359189.

It is an arithmetic number, because the mean of its divisors is an integer number (2696722497).

Almost surely, 254049846949 is an apocalyptic number.

It is an amenable number.

54049846949 is a deficient number, since it is larger than the sum of its proper divisors (10671492979).

54049846949 is a wasteful number, since it uses less digits than its factorization.

54049846949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214725 (or 214718 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 62.

The spelling of 54049846949 in words is "fifty-four billion, forty-nine million, eight hundred forty-six thousand, nine hundred forty-nine".

Divisors: 1 7 49 53 97 371 679 2597 4753 5141 35987 214561 251909 1501927 10513489 11371733 20812417 79602131 145686919 557214917 1019808433 1103058101 7721406707 54049846949