Base | Representation |
---|---|
bin | 11100001111111101100101… |
… | …10111111100110010110111 |
3 | 22010221201110011201220211102 |
4 | 32013332302313330302313 |
5 | 31120243014412412211 |
6 | 340042013443400315 |
7 | 16041050043162143 |
oct | 1607766267746267 |
9 | 263851404656742 |
10 | 62121113013431 |
11 | 1888046389051a |
12 | 6b735a308309b |
13 | 2887cc3a85c44 |
14 | 114a96c298223 |
15 | 72ada55dca3b |
hex | 387fb2dfccb7 |
62121113013431 has 16 divisors (see below), whose sum is σ = 66376696627200. Its totient is φ = 58031846439840.
The previous prime is 62121113013413. The next prime is 62121113013457. The reversal of 62121113013431 is 13431031112126.
It is a cyclic number.
It is not a de Polignac number, because 62121113013431 - 210 = 62121113012407 is a prime.
It is a super-2 number, since 2×621211130134312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 62121113013394 and 62121113013403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (62121113010431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213081281 + ... + 213372618.
It is an arithmetic number, because the mean of its divisors is an integer number (4148543539200).
Almost surely, 262121113013431 is an apocalyptic number.
62121113013431 is a deficient number, since it is larger than the sum of its proper divisors (4255583613769).
62121113013431 is a wasteful number, since it uses less digits than its factorization.
62121113013431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 426454094.
The product of its (nonzero) digits is 2592, while the sum is 29.
Adding to 62121113013431 its reverse (13431031112126), we get a palindrome (75552144125557).
The spelling of 62121113013431 in words is "sixty-two trillion, one hundred twenty-one billion, one hundred thirteen million, thirteen thousand, four hundred thirty-one".
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