Search a number
-
+
104405405104 = 24711136518819
BaseRepresentation
bin110000100111100001…
…1000000110110110000
3100222111012012002221201
41201033003000312300
53202310240430404
6115544014100544
710354156205110
oct1411703006660
9328435162851
10104405405104
1140307147170
12182991aa754
139acb415a20
1450a6185040
152ab0d8eca4
hex184f0c0db0

104405405104 has 80 divisors (see below), whose sum is σ = 271600116480. Its totient is φ = 37548391680.

The previous prime is 104405405081. The next prime is 104405405131. The reversal of 104405405104 is 401504504401.

It is a super-2 number, since 2×1044054051042 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3243394 + ... + 3275425.

It is an arithmetic number, because the mean of its divisors is an integer number (3395001456).

Almost surely, 2104405405104 is an apocalyptic number.

104405405104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

104405405104 is an abundant number, since it is smaller than the sum of its proper divisors (167194711376).

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

104405405104 is a wasteful number, since it uses less digits than its factorization.

104405405104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518858 (or 6518852 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 104405405104 its reverse (401504504401), we get a palindrome (505909909505).

The spelling of 104405405104 in words is "one hundred four billion, four hundred five million, four hundred five thousand, one hundred four".

Divisors: 1 2 4 7 8 11 13 14 16 22 26 28 44 52 56 77 88 91 104 112 143 154 176 182 208 286 308 364 572 616 728 1001 1144 1232 1456 2002 2288 4004 8008 16016 6518819 13037638 26075276 45631733 52150552 71707009 84744647 91263466 104301104 143414018 169489294 182526932 286828036 338978588 365053864 501949063 573656072 593212529 677957176 730107728 932191117 1003898126 1147312144 1186425058 1355914352 1864382234 2007796252 2372850116 3728764468 4015592504 4745700232 6525337819 7457528936 8031185008 9491400464 13050675638 14915057872 26101351276 52202702552 104405405104