Base | Representation |
---|---|
bin | 111000110110111101… |
… | …0000111001010100011 |
3 | 102200011120101211112021 |
4 | 1301231322013022203 |
5 | 4000031334101111 |
6 | 132032055442311 |
7 | 11551553445262 |
oct | 1615572071243 |
9 | 380146354467 |
10 | 122103034531 |
11 | 47868a86095 |
12 | 1b7b8086397 |
13 | b68bac84ba |
14 | 5ca47825d9 |
15 | 329991bd71 |
hex | 1c6de872a3 |
122103034531 has 16 divisors (see below), whose sum is σ = 129634261920. Its totient is φ = 114610821120.
The previous prime is 122103034511. The next prime is 122103034541. The reversal of 122103034531 is 135430301221.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 122103034531 - 25 = 122103034499 is a prime.
It is a super-2 number, since 2×1221030345312 (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 = 122103034496 and 122103034505.
It is not an unprimeable number, because it can be changed into a prime (122103034511) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27492271 + ... + 27496711.
It is an arithmetic number, because the mean of its divisors is an integer number (8102141370).
Almost surely, 2122103034531 is an apocalyptic number.
122103034531 is a deficient number, since it is larger than the sum of its proper divisors (7531227389).
122103034531 is a wasteful number, since it uses less digits than its factorization.
122103034531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8454.
The product of its (nonzero) digits is 2160, while the sum is 25.
Adding to 122103034531 its reverse (135430301221), we get a palindrome (257533335752).
The spelling of 122103034531 in words is "one hundred twenty-two billion, one hundred three million, thirty-four thousand, five hundred thirty-one".
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