Base | Representation |
---|---|
bin | 111001111100110000… |
… | …1100010001110101111 |
3 | 102220012210222102200010 |
4 | 1303321201202032233 |
5 | 4014331010331111 |
6 | 133100332504303 |
7 | 11663605315116 |
oct | 1637141421657 |
9 | 386183872603 |
10 | 124445402031 |
11 | 488602044a5 |
12 | 2015061b093 |
13 | b973185982 |
14 | 60478bcc7d |
15 | 33853abaa6 |
hex | 1cf98623af |
124445402031 has 16 divisors (see below), whose sum is σ = 171082074240. Its totient is φ = 80415622560.
The previous prime is 124445402023. The next prime is 124445402047. The reversal of 124445402031 is 130204544421.
It is not a de Polignac number, because 124445402031 - 23 = 124445402023 is a prime.
It is a super-2 number, since 2×1244454020312 (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 124445402031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124445402231) 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, 3665136 + ... + 3698933.
It is an arithmetic number, because the mean of its divisors is an integer number (10692629640).
Almost surely, 2124445402031 is an apocalyptic number.
124445402031 is a deficient number, since it is larger than the sum of its proper divisors (46636672209).
124445402031 is a wasteful number, since it uses less digits than its factorization.
124445402031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7364246.
The product of its (nonzero) digits is 15360, while the sum is 30.
Adding to 124445402031 its reverse (130204544421), we get a palindrome (254649946452).
The spelling of 124445402031 in words is "one hundred twenty-four billion, four hundred forty-five million, four hundred two thousand, thirty-one".
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