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20104411044 = 22323107680767
BaseRepresentation
bin10010101110010100…
…001111011110100100
31220220002222220021110
4102232110033132210
5312133212123134
613122535145020
71311130450164
oct225624173644
956802886243
1020104411044
118587463643
123a90b15170
131b85204113
14d8a1045a4
157c9ee27e9
hex4ae50f7a4

20104411044 has 48 divisors (see below), whose sum is σ = 49407418368. Its totient is φ = 6350185248.

The previous prime is 20104411039. The next prime is 20104411073. The reversal of 20104411044 is 44011440102.

It is a super-2 number, since 2×201044110442 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20104411044.

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, 310852 + ... + 369915.

It is an arithmetic number, because the mean of its divisors is an integer number (1029321216).

Almost surely, 220104411044 is an apocalyptic number.

It is an amenable number.

20104411044 is an abundant number, since it is smaller than the sum of its proper divisors (29303007324).

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

20104411044 is a wasteful number, since it uses less digits than its factorization.

20104411044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680904 (or 680902 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20104411044 its reverse (44011440102), we get a palindrome (64115851146).

The spelling of 20104411044 in words is "twenty billion, one hundred four million, four hundred eleven thousand, forty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 107 138 214 276 321 428 642 1284 2461 4922 7383 9844 14766 29532 680767 1361534 2042301 2723068 4084602 8169204 15657641 31315282 46972923 62630564 72842069 93945846 145684138 187891692 218526207 291368276 437052414 874104828 1675367587 3350735174 5026102761 6701470348 10052205522 20104411044