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104404004240 = 2456719478359
BaseRepresentation
bin110000100111011110…
…1101010110110010000
3100222111002112221022212
41201032331222312100
53202304411113430
6115543524051252
710354141252004
oct1411675526620
9328432487285
10104404004240
114030637a728
1218298833b28
139acb045203
1450a5cdc704
152ab0bb4b95
hex184ef6ad90

104404004240 has 40 divisors (see below), whose sum is σ = 246362297280. Its totient is φ = 41138292096.

The previous prime is 104404004197. The next prime is 104404004251. The reversal of 104404004240 is 42400404401.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1044040042402 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9733820 + ... + 9744539.

It is an arithmetic number, because the mean of its divisors is an integer number (6159057432).

Almost surely, 2104404004240 is an apocalyptic number.

104404004240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104404004240 is an abundant number, since it is smaller than the sum of its proper divisors (141958293040).

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

104404004240 is a wasteful number, since it uses less digits than its factorization.

104404004240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19478439 (or 19478433 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 104404004240 its reverse (42400404401), we get a palindrome (146804408641).

The spelling of 104404004240 in words is "one hundred four billion, four hundred four million, four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 67 80 134 268 335 536 670 1072 1340 2680 5360 19478359 38956718 77913436 97391795 155826872 194783590 311653744 389567180 779134360 1305050053 1558268720 2610100106 5220200212 6525250265 10440400424 13050500530 20880800848 26101001060 52202002120 104404004240