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105134311044 = 22337156788747
BaseRepresentation
bin110000111101001111…
…1100100011010000100
3101001100222202100221000
41201322133210122010
53210303340423134
6120144213053300
710411216620240
oct1417237443204
9331328670830
10105134311044
1140650639a74
1218461327230
139bb6436109
145134cc5420
152b04d71e99
hex187a7e4684

105134311044 has 96 divisors (see below), whose sum is σ = 311711375360. Its totient is φ = 30018866976.

The previous prime is 105134311039. The next prime is 105134311057. The reversal of 105134311044 is 440113431501.

105134311044 is a `hidden beast` number, since 1 + 0 + 513 + 43 + 1 + 104 + 4 = 666.

It is a super-2 number, since 2×1051343110442 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 105134310999 and 105134311017.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1140279 + ... + 1229025.

Almost surely, 2105134311044 is an apocalyptic number.

105134311044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105134311044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155855687680).

105134311044 is an abundant number, since it is smaller than the sum of its proper divisors (206577064316).

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

105134311044 is a wasteful number, since it uses less digits than its factorization.

105134311044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90334 (or 90326 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 105134311044 its reverse (440113431501), we get a palindrome (545247742545).

The spelling of 105134311044 in words is "one hundred five billion, one hundred thirty-four million, three hundred eleven thousand, forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 1567 3134 4701 6268 9402 10969 14103 18804 21938 28206 32907 42309 43876 56412 65814 84618 88747 98721 131628 169236 177494 197442 266241 296163 354988 394884 532482 592326 621229 798723 1064964 1184652 1242458 1597446 1863687 2396169 2484916 3194892 3727374 4792338 5591061 7454748 9584676 11182122 16773183 22364244 33546366 67092732 139066549 278133098 417199647 556266196 834399294 973465843 1251598941 1668798588 1946931686 2503197882 2920397529 3754796823 3893863372 5006395764 5840795058 7509593646 8761192587 11681590116 15019187292 17522385174 26283577761 35044770348 52567155522 105134311044