Base | Representation |
---|---|
bin | 10111010010010000… |
… | …00011000001011101 |
3 | 1012021020002110221210 |
4 | 23221020003001131 |
5 | 201100242313303 |
6 | 5424250415033 |
7 | 621534620022 |
oct | 135110030135 |
9 | 35236073853 |
10 | 12501135453 |
11 | 5335624104 |
12 | 250a731479 |
13 | 1242c26691 |
14 | 8683cb549 |
15 | 4d2760203 |
hex | 2e920305d |
12501135453 has 8 divisors (see below), whose sum is σ = 17648661888. Its totient is φ = 7843849664.
The previous prime is 12501135401. The next prime is 12501135497. The reversal of 12501135453 is 35453110521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12501135453 - 26 = 12501135389 is a prime.
It is a super-2 number, since 2×125011354532 (a number of 21 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 12501135453.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12501134453) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122560101 + ... + 122560202.
It is an arithmetic number, because the mean of its divisors is an integer number (2206082736).
Almost surely, 212501135453 is an apocalyptic number.
It is an amenable number.
12501135453 is a deficient number, since it is larger than the sum of its proper divisors (5147526435).
12501135453 is a wasteful number, since it uses less digits than its factorization.
12501135453 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245120323.
The product of its (nonzero) digits is 9000, while the sum is 30.
Adding to 12501135453 its reverse (35453110521), we get a palindrome (47954245974).
The spelling of 12501135453 in words is "twelve billion, five hundred one million, one hundred thirty-five thousand, four hundred fifty-three".
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