Base | Representation |
---|---|
bin | 111000110111001110… |
… | …0010100101111010111 |
3 | 102200012012021110222221 |
4 | 1301232130110233113 |
5 | 4000041133044111 |
6 | 132033020003211 |
7 | 11552022620434 |
oct | 1615634245727 |
9 | 380165243887 |
10 | 122112003031 |
11 | 47873051277 |
12 | 1b7bb090507 |
13 | b6909186c5 |
14 | 5ca5a38b8b |
15 | 329a5de371 |
hex | 1c6e714bd7 |
122112003031 has 4 divisors (see below), whose sum is σ = 122112844864. Its totient is φ = 122111161200.
The previous prime is 122112003023. The next prime is 122112003043. The reversal of 122112003031 is 130300211221.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 122112003031 - 23 = 122112003023 is a prime.
It is a super-2 number, since 2×1221120030312 (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 = 122112002996 and 122112003014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122112003061) 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, 141510 + ... + 514051.
It is an arithmetic number, because the mean of its divisors is an integer number (30528211216).
Almost surely, 2122112003031 is an apocalyptic number.
122112003031 is a deficient number, since it is larger than the sum of its proper divisors (841833).
122112003031 is an equidigital number, since it uses as much as digits as its factorization.
122112003031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 841832.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 122112003031 its reverse (130300211221), we get a palindrome (252412214252).
The spelling of 122112003031 in words is "one hundred twenty-two billion, one hundred twelve million, three thousand, thirty-one".
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