Search a number
-
+
54675797988 = 22372337275923
BaseRepresentation
bin110010111010111011…
…100111011111100100
312020010110011022122010
4302322323213133210
51343434001013423
641041232034220
73643626420600
oct627273473744
9166113138563
1054675797988
1121208076309
12a71a992970
1352046a88b6
14290971c500
15165010b693
hexcbaee77e4

54675797988 has 72 divisors (see below), whose sum is σ = 148846649952. Its totient is φ = 15575245056.

The previous prime is 54675797959. The next prime is 54675797999. The reversal of 54675797988 is 88979757645.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60195 + ... + 336117.

Almost surely, 254675797988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54675797988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74423324976).

54675797988 is an abundant number, since it is smaller than the sum of its proper divisors (94170851964).

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

54675797988 is a wasteful number, since it uses less digits than its factorization.

54675797988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276281 (or 276272 counting only the distinct ones).

The product of its digits is 1066867200, while the sum is 75.

The spelling of 54675797988 in words is "fifty-four billion, six hundred seventy-five million, seven hundred ninety-seven thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 337 588 674 1011 1348 2022 2359 4044 4718 7077 9436 14154 16513 28308 33026 49539 66052 99078 198156 275923 551846 827769 1103692 1655538 1931461 3311076 3862922 5794383 7725844 11588766 13520227 23177532 27040454 40560681 54080908 81121362 92986051 162242724 185972102 278958153 371944204 557916306 650902357 1115832612 1301804714 1952707071 2603609428 3905414142 4556316499 7810828284 9112632998 13668949497 18225265996 27337898994 54675797988