Base | Representation |
---|---|
bin | 11111010100001010… |
… | …00000010100010011 |
3 | 1121101122220021111102 |
4 | 33222011000110103 |
5 | 233412343114301 |
6 | 11420125135015 |
7 | 1133422225433 |
oct | 175205002423 |
9 | 47348807442 |
10 | 16812082451 |
11 | 7147a8941a |
12 | 33123ba46b |
13 | 177c0a97a8 |
14 | b56b642c3 |
15 | 685e57b6b |
hex | 3ea140513 |
16812082451 has 2 divisors, whose sum is σ = 16812082452. Its totient is φ = 16812082450.
The previous prime is 16812082433. The next prime is 16812082457. The reversal of 16812082451 is 15428021861.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 16812082451 - 210 = 16812081427 is a prime.
It is a super-2 number, since 2×168120824512 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (16812082457) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8406041225 + 8406041226.
It is an arithmetic number, because the mean of its divisors is an integer number (8406041226).
Almost surely, 216812082451 is an apocalyptic number.
16812082451 is a deficient number, since it is larger than the sum of its proper divisors (1).
16812082451 is an equidigital number, since it uses as much as digits as its factorization.
16812082451 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 30720, while the sum is 38.
The spelling of 16812082451 in words is "sixteen billion, eight hundred twelve million, eighty-two thousand, four hundred fifty-one".
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