Base | Representation |
---|---|
bin | 10011100100011110… |
… | …101111010001111110 |
3 | 2000020102220201122111 |
4 | 103210132233101332 |
5 | 321013330214124 |
6 | 13353040204234 |
7 | 1342503451501 |
oct | 234436572176 |
9 | 60212821574 |
10 | 21013132414 |
11 | 8a0340243a |
12 | 40a530967a |
13 | 1c9b562381 |
14 | 1034a91138 |
15 | 82eb93494 |
hex | 4e47af47e |
21013132414 has 32 divisors (see below), whose sum is σ = 32857330176. Its totient is φ = 10071008640.
The previous prime is 21013132397. The next prime is 21013132429. The reversal of 21013132414 is 41423131012.
It is a congruent number.
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, 1554774 + ... + 1568230.
It is an arithmetic number, because the mean of its divisors is an integer number (1026791568).
Almost surely, 221013132414 is an apocalyptic number.
21013132414 is a deficient number, since it is larger than the sum of its proper divisors (11844197762).
21013132414 is a wasteful number, since it uses less digits than its factorization.
21013132414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13840.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 21013132414 its reverse (41423131012), we get a palindrome (62436263426).
The spelling of 21013132414 in words is "twenty-one billion, thirteen million, one hundred thirty-two thousand, four hundred fourteen".
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