Search a number
-
+
15012044055 = 32517157124991
BaseRepresentation
bin11011111101100100…
…11001110100010111
31102202012210212000200
431332302121310113
5221221040402210
610521344111543
71041004161201
oct157662316427
942665725020
1015012044055
1164039a8988
122aab6055b3
1315531a5108
14a25a7b771
155ccde30c0
hex37ec99d17

15012044055 has 48 divisors (see below), whose sum is σ = 27727225344. Its totient is φ = 7487400960.

The previous prime is 15012044023. The next prime is 15012044101. The reversal of 15012044055 is 55044021051.

15012044055 is a `hidden beast` number, since 1 + 50 + 1 + 204 + 405 + 5 = 666.

It is not a de Polignac number, because 15012044055 - 25 = 15012044023 is a prime.

It is a super-2 number, since 2×150120440552 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57610 + ... + 182600.

It is an arithmetic number, because the mean of its divisors is an integer number (577650528).

Almost surely, 215012044055 is an apocalyptic number.

15012044055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15012044055 is a deficient number, since it is larger than the sum of its proper divisors (12715181289).

15012044055 is a wasteful number, since it uses less digits than its factorization.

15012044055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125176 (or 125173 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 15012044055 in words is "fifteen billion, twelve million, forty-four thousand, fifty-five".

Divisors: 1 3 5 9 15 17 45 51 85 153 157 255 471 765 785 1413 2355 2669 7065 8007 13345 24021 40035 120105 124991 374973 624955 1124919 1874865 2124847 5624595 6374541 10624235 19123623 19623587 31872705 58870761 95618115 98117935 176612283 294353805 333600979 883061415 1000802937 1668004895 3002408811 5004014685 15012044055