Base | Representation |
---|---|
bin | 110001000101001111… |
… | …0010010110110000100 |
3 | 101002001200020022212121 |
4 | 1202022132102312010 |
5 | 3211331004144140 |
6 | 120230551255324 |
7 | 10420653503014 |
oct | 1421236226604 |
9 | 332050208777 |
10 | 105402412420 |
11 | 40778a06558 |
12 | 1851707a544 |
13 | 9c29b45996 |
14 | 515c753c44 |
15 | 2b1d67e64a |
hex | 188a792d84 |
105402412420 has 48 divisors (see below), whose sum is σ = 231703428096. Its totient is φ = 40226256000.
The previous prime is 105402412411. The next prime is 105402412433. The reversal of 105402412420 is 24214204501.
It is a super-2 number, since 2×1054024124202 (a number of 23 digits) contains 22 as substring.
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, 1153191 + ... + 1241230.
It is an arithmetic number, because the mean of its divisors is an integer number (4827154752).
Almost surely, 2105402412420 is an apocalyptic number.
105402412420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
105402412420 is an abundant number, since it is smaller than the sum of its proper divisors (126301015676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105402412420 is a wasteful number, since it uses less digits than its factorization.
105402412420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2394532 (or 2394530 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 25.
Adding to 105402412420 its reverse (24214204501), we get a palindrome (129616616921).
The spelling of 105402412420 in words is "one hundred five billion, four hundred two million, four hundred twelve thousand, four hundred twenty".
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