Base | Representation |
---|---|
bin | 111001000010001110… |
… | …1101110010111101101 |
3 | 102201010221111021220100 |
4 | 1302010131232113231 |
5 | 4001320224001114 |
6 | 132133414541313 |
7 | 11564130210432 |
oct | 1620435562755 |
9 | 381127437810 |
10 | 122481468909 |
11 | 47a42661478 |
12 | 1b8a2967839 |
13 | b71c328b77 |
14 | 5cdcb31b89 |
15 | 32bcc70909 |
hex | 1c8476e5ed |
122481468909 has 12 divisors (see below), whose sum is σ = 178540776700. Its totient is φ = 80905189824.
The previous prime is 122481468899. The next prime is 122481468931. The reversal of 122481468909 is 909864184221.
It is a happy number.
122481468909 is a `hidden beast` number, since 12 + 2 + 4 + 81 + 468 + 90 + 9 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 48687746409 + 73793722500 = 220653^2 + 271650^2 .
It is not a de Polignac number, because 122481468909 - 25 = 122481468877 is a prime.
It is a super-2 number, since 2×1224814689092 (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 (122481468509) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62425864 + ... + 62427825.
Almost surely, 2122481468909 is an apocalyptic number.
It is an amenable number.
122481468909 is a deficient number, since it is larger than the sum of its proper divisors (56059307791).
122481468909 is a wasteful number, since it uses less digits than its factorization.
122481468909 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 124853804 (or 124853801 counting only the distinct ones).
The product of its (nonzero) digits is 1990656, while the sum is 54.
The spelling of 122481468909 in words is "one hundred twenty-two billion, four hundred eighty-one million, four hundred sixty-eight thousand, nine hundred nine".
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