Base | Representation |
---|---|
bin | 1110111110010110000100… |
… | …0000110101100110011111 |
3 | 2011021222002000001211200122 |
4 | 3233211201000311212133 |
5 | 4124222224214130241 |
6 | 55003322143345155 |
7 | 3316334101411514 |
oct | 357454100654637 |
9 | 64258060054618 |
10 | 16464237255071 |
11 | 5278497788321 |
12 | 1a1aa678b21bb |
13 | 9257563a4848 |
14 | 40cc3260730b |
15 | 1d841501504b |
hex | ef96103599f |
16464237255071 has 2 divisors, whose sum is σ = 16464237255072. Its totient is φ = 16464237255070.
The previous prime is 16464237254981. The next prime is 16464237255107. The reversal of 16464237255071 is 17055273246461.
Together with next prime (16464237255107) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is an emirp because it is prime and its reverse (17055273246461) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 16464237255071 - 222 = 16464233060767 is a prime.
It is a super-2 number, since 2×164642372550712 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (16464237855071) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8232118627535 + 8232118627536.
It is an arithmetic number, because the mean of its divisors is an integer number (8232118627536).
Almost surely, 216464237255071 is an apocalyptic number.
16464237255071 is a deficient number, since it is larger than the sum of its proper divisors (1).
16464237255071 is an equidigital number, since it uses as much as digits as its factorization.
16464237255071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8467200, while the sum is 53.
The spelling of 16464237255071 in words is "sixteen trillion, four hundred sixty-four billion, two hundred thirty-seven million, two hundred fifty-five thousand, seventy-one".
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