Base | Representation |
---|---|
bin | 1000010001000101001… |
… | …0100111010011100111 |
3 | 111120120220020101122210 |
4 | 2010101102213103213 |
5 | 4311331121404111 |
6 | 145124523254503 |
7 | 13155326122635 |
oct | 2042122472347 |
9 | 446526211583 |
10 | 142024013031 |
11 | 5526094208a |
12 | 2363767a433 |
13 | 10514cc6244 |
14 | 6c34378355 |
15 | 3a637790a6 |
hex | 21114a74e7 |
142024013031 has 4 divisors (see below), whose sum is σ = 189365350712. Its totient is φ = 94682675352.
The previous prime is 142024013029. The next prime is 142024013057. The reversal of 142024013031 is 130310420241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130310420241 = 3 ⋅43436806747.
It is not a de Polignac number, because 142024013031 - 21 = 142024013029 is a prime.
It is a super-2 number, since 2×1420240130312 (a number of 23 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 = 142024012989 and 142024013007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142024013081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23670668836 + ... + 23670668841.
It is an arithmetic number, because the mean of its divisors is an integer number (47341337678).
Almost surely, 2142024013031 is an apocalyptic number.
142024013031 is a deficient number, since it is larger than the sum of its proper divisors (47341337681).
142024013031 is an equidigital number, since it uses as much as digits as its factorization.
142024013031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47341337680.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 142024013031 its reverse (130310420241), we get a palindrome (272334433272).
The spelling of 142024013031 in words is "one hundred forty-two billion, twenty-four million, thirteen thousand, thirty-one".
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