Base | Representation |
---|---|
bin | 111001000000001011… |
… | …0010011100010100111 |
3 | 102200222010112222221110 |
4 | 1302000112103202213 |
5 | 4001200034241033 |
6 | 132122510520103 |
7 | 11562331234464 |
oct | 1620026234247 |
9 | 380863488843 |
10 | 122412415143 |
11 | 47a07687347 |
12 | 1b883806033 |
13 | b70ac2bc55 |
14 | 5cd38b866b |
15 | 32b6b80363 |
hex | 1c805938a7 |
122412415143 has 16 divisors (see below), whose sum is σ = 163485302400. Its totient is φ = 81474017760.
The previous prime is 122412415121. The next prime is 122412415201. The reversal of 122412415143 is 341514214221.
It is a de Polignac number, because none of the positive numbers 2k-122412415143 is a prime.
It is a super-2 number, since 2×1224124151432 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 122412415143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122412410143) 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, 4628748 + ... + 4655118.
It is an arithmetic number, because the mean of its divisors is an integer number (10217831400).
Almost surely, 2122412415143 is an apocalyptic number.
122412415143 is a deficient number, since it is larger than the sum of its proper divisors (41072887257).
122412415143 is a wasteful number, since it uses less digits than its factorization.
122412415143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28862.
The product of its digits is 7680, while the sum is 30.
Adding to 122412415143 its reverse (341514214221), we get a palindrome (463926629364).
The spelling of 122412415143 in words is "one hundred twenty-two billion, four hundred twelve million, four hundred fifteen thousand, one hundred forty-three".
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