Base | Representation |
---|---|
bin | 11000101100000001… |
… | …10101000010111111 |
3 | 1021012201011000212222 |
4 | 30112000311002333 |
5 | 204121034433134 |
6 | 10031111515555 |
7 | 646310664515 |
oct | 142600650277 |
9 | 37181130788 |
10 | 13254217919 |
11 | 569172a108 |
12 | 269a988bbb |
13 | 1332c601c7 |
14 | 8da4224b5 |
15 | 52891aa2e |
hex | 3160350bf |
13254217919 has 2 divisors, whose sum is σ = 13254217920. Its totient is φ = 13254217918.
The previous prime is 13254217903. The next prime is 13254217937. The reversal of 13254217919 is 91971245231.
It is a weak prime.
It is an emirp because it is prime and its reverse (91971245231) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13254217919 - 24 = 13254217903 is a prime.
It is a super-2 number, since 2×132542179192 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 13254217919.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13250217919) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6627108959 + 6627108960.
It is an arithmetic number, because the mean of its divisors is an integer number (6627108960).
Almost surely, 213254217919 is an apocalyptic number.
13254217919 is a deficient number, since it is larger than the sum of its proper divisors (1).
13254217919 is an equidigital number, since it uses as much as digits as its factorization.
13254217919 is an evil number, because the sum of its binary digits is even.
The product of its digits is 136080, while the sum is 44.
The spelling of 13254217919 in words is "thirteen billion, two hundred fifty-four million, two hundred seventeen thousand, nine hundred nineteen".
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