Base | Representation |
---|---|
bin | 1110100010110… |
… | …01111001010111 |
3 | 22111120101200210 |
4 | 13101121321113 |
5 | 222213044111 |
6 | 20034540503 |
7 | 3011002653 |
oct | 721317127 |
9 | 274511623 |
10 | 122003031 |
11 | 6295a757 |
12 | 34a37733 |
13 | 1c378857 |
14 | 122bba63 |
15 | aa9e0a6 |
hex | 7459e57 |
122003031 has 4 divisors (see below), whose sum is σ = 162670712. Its totient is φ = 81335352.
The previous prime is 122003027. The next prime is 122003059. The reversal of 122003031 is 130300221.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 122003031 - 22 = 122003027 is a prime.
It is a super-2 number, since 2×1220030312 = 29769479146373922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122002998 and 122003016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122003081) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20333836 + ... + 20333841.
It is an arithmetic number, because the mean of its divisors is an integer number (40667678).
Almost surely, 2122003031 is an apocalyptic number.
122003031 is a deficient number, since it is larger than the sum of its proper divisors (40667681).
122003031 is an equidigital number, since it uses as much as digits as its factorization.
122003031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40667680.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 122003031 is about 11045.4982232582. The cubic root of 122003031 is about 495.9716736663.
Adding to 122003031 its reverse (130300221), we get a palindrome (252303252).
The spelling of 122003031 in words is "one hundred twenty-two million, three thousand, thirty-one".
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