Base | Representation |
---|---|
bin | 10011111100111000… |
… | …011001110010010101 |
3 | 2001021222020102122120 |
4 | 103330320121302111 |
5 | 322333130411201 |
6 | 13501422450153 |
7 | 1355604234000 |
oct | 237470316225 |
9 | 61258212576 |
10 | 21422513301 |
11 | 90a34a5352 |
12 | 419a433959 |
13 | 2035309797 |
14 | 10731b8537 |
15 | 855aab536 |
hex | 4fce19c95 |
21422513301 has 32 divisors (see below), whose sum is σ = 33403392000. Its totient is φ = 12207126960.
The previous prime is 21422513291. The next prime is 21422513303. The reversal of 21422513301 is 10331522412.
It is not a de Polignac number, because 21422513301 - 213 = 21422505109 is a prime.
It is a super-2 number, since 2×214225133012 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21422513303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340416 + ... + 398406.
It is an arithmetic number, because the mean of its divisors is an integer number (1043856000).
Almost surely, 221422513301 is an apocalyptic number.
21422513301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
21422513301 is a deficient number, since it is larger than the sum of its proper divisors (11980878699).
21422513301 is an equidigital number, since it uses as much as digits as its factorization.
21422513301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58374 (or 58360 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
The spelling of 21422513301 in words is "twenty-one billion, four hundred twenty-two million, five hundred thirteen thousand, three hundred one".
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