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105384763648 = 2817112321563
BaseRepresentation
bin110001000100101101…
…0111110000100000000
3101002000110000200022101
41202021122332010000
53211311444414043
6120225121120144
710420350465613
oct1421132760400
9332013020271
10105384763648
1140769a5179a
1218511189054
139c262a6818
14515a27c17a
152b1bd4524d
hex18896be100

105384763648 has 72 divisors (see below), whose sum is σ = 222940535328. Its totient is φ = 49546371072.

The previous prime is 105384763639. The next prime is 105384763661. The reversal of 105384763648 is 846367483501.

It is a super-2 number, since 2×1053847636482 (a number of 23 digits) contains 22 as substring.

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, 4876515 + ... + 4898077.

It is an arithmetic number, because the mean of its divisors is an integer number (3096396324).

Almost surely, 2105384763648 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 105384763648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111470267664).

105384763648 is an abundant number, since it is smaller than the sum of its proper divisors (117555771680).

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

105384763648 is a wasteful number, since it uses less digits than its factorization.

105384763648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22719 (or 22705 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 105384763648 in words is "one hundred five billion, three hundred eighty-four million, seven hundred sixty-three thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 256 272 544 1088 1123 2176 2246 4352 4492 8984 17968 19091 21563 35936 38182 43126 71872 76364 86252 143744 152728 172504 287488 305456 345008 366571 610912 690016 733142 1221824 1380032 1466284 2443648 2760064 2932568 4887296 5520128 5865136 11730272 23460544 24215249 46921088 48430498 93842176 96860996 193721992 387443984 411659233 774887968 823318466 1549775936 1646636932 3099551872 3293273864 6199103744 6586547728 13173095456 26346190912 52692381824 105384763648