Base | Representation |
---|---|
bin | 1111001000101… |
… | …10111000011111 |
3 | 22211220211001022 |
4 | 13210112320133 |
5 | 230001041143 |
6 | 20333234355 |
7 | 3101145035 |
oct | 744267037 |
9 | 284824038 |
10 | 126971423 |
11 | 65743567 |
12 | 366329bb |
13 | 203c8127 |
14 | 12c12555 |
15 | b231268 |
hex | 7916e1f |
126971423 has 2 divisors, whose sum is σ = 126971424. Its totient is φ = 126971422.
The previous prime is 126971417. The next prime is 126971441. The reversal of 126971423 is 324179621.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 126971423 - 212 = 126967327 is a prime.
It is a super-2 number, since 2×1269714232 = 32243484517289858, which contains 22 as substring.
It is equal to p7215893 and since 126971423 and 7215893 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (126971413) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63485711 + 63485712.
It is an arithmetic number, because the mean of its divisors is an integer number (63485712).
Almost surely, 2126971423 is an apocalyptic number.
126971423 is a deficient number, since it is larger than the sum of its proper divisors (1).
126971423 is an equidigital number, since it uses as much as digits as its factorization.
126971423 is an evil number, because the sum of its binary digits is even.
The product of its digits is 18144, while the sum is 35.
The square root of 126971423 is about 11268.1596989038. The cubic root of 126971423 is about 502.6148651219.
The spelling of 126971423 in words is "one hundred twenty-six million, nine hundred seventy-one thousand, four hundred twenty-three".
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