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54311544105 = 3571375752561
BaseRepresentation
bin110010100101001110…
…000110010100101001
312012012001202022020120
4302211032012110221
51342212223402410
640541140513453
73631614336120
oct624516062451
9165161668216
1054311544105
11210404a5a45
12a6389ab889
1351770a1860
1428b31c0ab7
15162d159570
hexca5386529

54311544105 has 64 divisors (see below), whose sum is σ = 107095285248. Its totient is φ = 22887567360.

The previous prime is 54311544073. The next prime is 54311544149. The reversal of 54311544105 is 50144511345.

It is not a de Polignac number, because 54311544105 - 25 = 54311544073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1007025 + ... + 1059585.

It is an arithmetic number, because the mean of its divisors is an integer number (1673363832).

Almost surely, 254311544105 is an apocalyptic number.

It is an amenable number.

54311544105 is a deficient number, since it is larger than the sum of its proper divisors (52783741143).

54311544105 is a wasteful number, since it uses less digits than its factorization.

54311544105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53346.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 54311544105 in words is "fifty-four billion, three hundred eleven million, five hundred forty-four thousand, one hundred five".

Divisors: 1 3 5 7 13 15 21 35 39 65 91 105 195 273 455 757 1365 2271 3785 5299 9841 11355 15897 26495 29523 49205 52561 68887 79485 147615 157683 206661 262805 344435 367927 683293 788415 1033305 1103781 1839635 2049879 3416465 4783051 5518905 10249395 14349153 23915255 39788677 71745765 119366031 198943385 278520739 517252801 596830155 835562217 1392603695 1551758403 2586264005 3620769607 4177811085 7758792015 10862308821 18103848035 54311544105