Search a number
-
+
54786799288 = 23131927726113
BaseRepresentation
bin110011000001100011…
…000011011010111000
312020102012000202210101
4303001203003122320
51344200410034123
641100235125144
73646445052544
oct630143033270
9166365022711
1054786799288
11212647a1221
12a74bba37b4
1352216a1940
14291a374a24
151659c35aad
hexcc18c36b8

54786799288 has 32 divisors (see below), whose sum is σ = 116449678800. Its totient is φ = 23955360768.

The previous prime is 54786799267. The next prime is 54786799339. The reversal of 54786799288 is 88299768745.

It is a self number, because there is not a number n which added to its sum of digits gives 54786799288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13861081 + ... + 13865032.

Almost surely, 254786799288 is an apocalyptic number.

It is an amenable number.

54786799288 is an abundant number, since it is smaller than the sum of its proper divisors (61662879512).

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

54786799288 is a wasteful number, since it uses less digits than its factorization.

54786799288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27726151 (or 27726147 counting only the distinct ones).

The product of its digits is 487710720, while the sum is 73.

The spelling of 54786799288 in words is "fifty-four billion, seven hundred eighty-six million, seven hundred ninety-nine thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 247 494 988 1976 27726113 55452226 110904452 221808904 360439469 526796147 720878938 1053592294 1441757876 2107184588 2883515752 4214369176 6848349911 13696699822 27393399644 54786799288