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54449206931 = 75373103131149
BaseRepresentation
bin110010101101011011…
…001111011010010011
312012112122210022010202
4302231123033122103
51343002444110211
641002535245415
73635205423350
oct625533173223
9165478708122
1054449206931
1121101181079
12a676b1986b
135199771152
1428c75b7627
15163a29d53b
hexcad6cf693

54449206931 has 64 divisors (see below), whose sum is σ = 65828505600. Its totient is φ = 44085150720.

The previous prime is 54449206921. The next prime is 54449206943. The reversal of 54449206931 is 13960294445.

It is a cyclic number.

It is not a de Polignac number, because 54449206931 - 222 = 54445012627 is a prime.

It is a super-2 number, since 2×544492069312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54449206901) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 365430845 + ... + 365430993.

It is an arithmetic number, because the mean of its divisors is an integer number (1028570400).

Almost surely, 254449206931 is an apocalyptic number.

54449206931 is a deficient number, since it is larger than the sum of its proper divisors (11379298669).

54449206931 is a wasteful number, since it uses less digits than its factorization.

54449206931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 54449206931 in words is "fifty-four billion, four hundred forty-nine million, two hundred six thousand, nine hundred thirty-one".

Divisors: 1 7 53 73 103 131 149 371 511 721 917 1043 3869 5459 6943 7519 7897 9563 10877 13493 15347 19519 27083 38213 48601 52633 55279 66941 76139 94451 107429 136633 398507 506839 576481 715129 813391 984989 1034507 1120331 1424887 2010457 2789549 3547873 4035367 5005903 5693737 6894923 7241549 7842317 9974209 14073199 52204417 59377543 75519011 106554221 146763361 365430919 415642801 528633077 745879547 1027343527 7778458133 54449206931