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104044030040 = 23523113091337
BaseRepresentation
bin110000011100110000…
…0011110100001011000
3100221120000012100120002
41200321200132201120
53201040232430130
6115444104352132
710342210443356
oct1407140364130
9327500170502
10104044030040
1140141162795
12181b8175648
139a715a9122
1450701967d6
152a8e2aab45
hex183981e858

104044030040 has 32 divisors (see below), whose sum is σ = 244277290080. Its totient is φ = 39808150272.

The previous prime is 104044030021. The next prime is 104044030043. The reversal of 104044030040 is 40030440401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 104044029994 and 104044030021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104044030043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56544749 + ... + 56546588.

It is an arithmetic number, because the mean of its divisors is an integer number (7633665315).

Almost surely, 2104044030040 is an apocalyptic number.

104044030040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104044030040 is an abundant number, since it is smaller than the sum of its proper divisors (140233260040).

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

104044030040 is a wasteful number, since it uses less digits than its factorization.

104044030040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113091371 (or 113091367 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 104044030040 its reverse (40030440401), we get a palindrome (144074470441).

The spelling of 104044030040 in words is "one hundred four billion, forty-four million, thirty thousand, forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 113091337 226182674 452365348 565456685 904730696 1130913370 2261826740 2601100751 4523653480 5202201502 10404403004 13005503755 20808806008 26011007510 52022015020 104044030040