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54431344313445 = 3511595591303987
BaseRepresentation
bin11000110000001010010001…
…11100010100010001100101
321010201120210222021102210210
430120011020330110101211
524113300343121012240
6311433225301010033
714315351311536261
oct1430051074242145
9233646728242723
1054431344313445
111638622692a730
1261311ab0b3919
13244ab138a3a78
14d626c38cd0a1
15645d3e182780
hex318148f14465

54431344313445 has 32 divisors (see below), whose sum is σ = 96617732912640. Its totient is φ = 25943650495040.

The previous prime is 54431344313441. The next prime is 54431344313477.

54431344313445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54431344313445 - 22 = 54431344313441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54431344313394 and 54431344313403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54431344313441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2795642259 + ... + 2795661728.

It is an arithmetic number, because the mean of its divisors is an integer number (3019304153520).

Almost surely, 254431344313445 is an apocalyptic number.

54431344313445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54431344313445 is a deficient number, since it is larger than the sum of its proper divisors (42186388599195).

54431344313445 is a wasteful number, since it uses less digits than its factorization.

54431344313445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591304065.

The product of its digits is 8294400, while the sum is 48.

It can be divided in two parts, 5443134 and 4313445, that added together give a palindrome (9756579).

The spelling of 54431344313445 in words is "fifty-four trillion, four hundred thirty-one billion, three hundred forty-four million, three hundred thirteen thousand, four hundred forty-five".

Divisors: 1 3 5 11 15 33 55 59 165 177 295 649 885 1947 3245 9735 5591303987 16773911961 27956519935 61504343857 83869559805 184513031571 307521719285 329886935233 922565157855 989660805699 1649434676165 3628756287563 4948304028495 10886268862689 18143781437815 54431344313445