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20431411104 = 2531317963019
BaseRepresentation
bin10011000001110011…
…101001011110100000
31221201220022020000210
4103001303221132200
5313320420123404
613215220014120
71322211062136
oct230163513640
957656266023
1020431411104
118734aa9625
123b62531340
131c07b96590
14dbb705756
157e8a86689
hex4c1ce97a0

20431411104 has 96 divisors (see below), whose sum is σ = 61155622080. Its totient is φ = 5916782592.

The previous prime is 20431411097. The next prime is 20431411111. The reversal of 20431411104 is 40111413402.

It is an interprime number because it is at equal distance from previous prime (20431411097) and next prime (20431411111).

It is a tau number, because it is divible by the number of its divisors (96).

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, 460294 + ... + 502725.

It is an arithmetic number, because the mean of its divisors is an integer number (637037730).

Almost surely, 220431411104 is an apocalyptic number.

20431411104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20431411104 is an abundant number, since it is smaller than the sum of its proper divisors (40724210976).

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

20431411104 is a wasteful number, since it uses less digits than its factorization.

20431411104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963062 (or 963054 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20431411104 its reverse (40111413402), we get a palindrome (60542824506).

The spelling of 20431411104 in words is "twenty billion, four hundred thirty-one million, four hundred eleven thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 13 16 17 24 26 32 34 39 48 51 52 68 78 96 102 104 136 156 204 208 221 272 312 408 416 442 544 624 663 816 884 1248 1326 1632 1768 2652 3536 5304 7072 10608 21216 963019 1926038 2889057 3852076 5778114 7704152 11556228 12519247 15408304 16371323 23112456 25038494 30816608 32742646 37557741 46224912 49113969 50076988 65485292 75115482 92449824 98227938 100153976 130970584 150230964 196455876 200307952 212827199 261941168 300461928 392911752 400615904 425654398 523882336 600923856 638481597 785823504 851308796 1201847712 1276963194 1571647008 1702617592 2553926388 3405235184 5107852776 6810470368 10215705552 20431411104