Base | Representation |
---|---|
bin | 1001001001001001000100… |
… | …00000000011000000010000 |
3 | 2122012001022210020012102110 |
4 | 10210210202000003000100 |
5 | 10113401134430201344 |
6 | 110432130351145320 |
7 | 4143363245152623 |
oct | 444444200030020 |
9 | 78161283205373 |
10 | 20105312350224 |
11 | 645168474a522 |
12 | 2308664515240 |
13 | b2abcc58537a |
14 | 4d7160a49dba |
15 | 24ceba6753b9 |
hex | 124922003010 |
20105312350224 has 40 divisors (see below), whose sum is σ = 52819040927520. Its totient is φ = 6588181447168.
The previous prime is 20105312350219. The next prime is 20105312350309. The reversal of 20105312350224 is 42205321350102.
It is a junction number, because it is equal to n+sod(n) for n = 20105312350191 and 20105312350200.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3549663897 + ... + 3549669560.
It is an arithmetic number, because the mean of its divisors is an integer number (1320476023188).
Almost surely, 220105312350224 is an apocalyptic number.
20105312350224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
20105312350224 is an abundant number, since it is smaller than the sum of its proper divisors (32713728577296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20105312350224 is a wasteful number, since it uses less digits than its factorization.
20105312350224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7099333527 (or 7099333521 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
The spelling of 20105312350224 in words is "twenty trillion, one hundred five billion, three hundred twelve million, three hundred fifty thousand, two hundred twenty-four".
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