Search a number
-
+
55303502508 = 22323318215653
BaseRepresentation
bin110011100000010110…
…000111101010101100
312021202012022000100200
4303200112013222230
51401230144040013
641223413553500
73665321005122
oct634026075254
9167665260320
1055303502508
11214aa426a81
12a875045890
1352a47546a7
142968c37912
15168a29ce73
hexce0587aac

55303502508 has 72 divisors (see below), whose sum is σ = 140412928656. Its totient is φ = 18353174400.

The previous prime is 55303502503. The next prime is 55303502561. The reversal of 55303502508 is 80520530355.

55303502508 is a `hidden beast` number, since 5 + 53 + 0 + 350 + 250 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55303502503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9780210 + ... + 9785862.

Almost surely, 255303502508 is an apocalyptic number.

It is an amenable number.

55303502508 is an abundant number, since it is smaller than the sum of its proper divisors (85109426148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55303502508 is a wasteful number, since it uses less digits than its factorization.

55303502508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815 (or 6810 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 55303502508 in words is "fifty-five billion, three hundred three million, five hundred two thousand, five hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 331 662 821 993 1324 1642 1986 2463 2979 3284 3972 4926 5653 5958 7389 9852 11306 11916 14778 16959 22612 29556 33918 50877 67836 101754 203508 271751 543502 815253 1087004 1630506 1871143 2445759 3261012 3742286 4641113 4891518 5613429 7484572 9282226 9783036 11226858 13923339 16840287 18564452 22453716 27846678 33680574 41770017 55693356 67361148 83540034 167080068 1536208403 3072416806 4608625209 6144833612 9217250418 13825875627 18434500836 27651751254 55303502508