Base | Representation |
---|---|
bin | 111000111001111011… |
… | …1100000000001101111 |
3 | 102200102112112021112002 |
4 | 1301303313200001233 |
5 | 4000232432410411 |
6 | 132050030402515 |
7 | 11554206321335 |
oct | 1616367400157 |
9 | 380375467462 |
10 | 122203013231 |
11 | 4790a462612 |
12 | 1b82566043b |
13 | b6a67323b0 |
14 | 5cb3b69b55 |
15 | 32a35ba33b |
hex | 1c73de006f |
122203013231 has 16 divisors (see below), whose sum is σ = 139572082944. Its totient is φ = 105994013184.
The previous prime is 122203013221. The next prime is 122203013239. The reversal of 122203013231 is 132310302221.
It is not a de Polignac number, because 122203013231 - 210 = 122203012207 is a prime.
It is a super-2 number, since 2×1222030132312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122203013239) 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, 315551 + ... + 586496.
It is an arithmetic number, because the mean of its divisors is an integer number (8723255184).
Almost surely, 2122203013231 is an apocalyptic number.
122203013231 is a deficient number, since it is larger than the sum of its proper divisors (17369069713).
122203013231 is a wasteful number, since it uses less digits than its factorization.
122203013231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 902690.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 122203013231 its reverse (132310302221), we get a palindrome (254513315452).
The spelling of 122203013231 in words is "one hundred twenty-two billion, two hundred three million, thirteen thousand, two hundred thirty-one".
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