Base | Representation |
---|---|
bin | 111101000011110000… |
… | …0101001011101001101 |
3 | 110112110011010020010201 |
4 | 1322013200221131031 |
5 | 4122014330021303 |
6 | 140123054133501 |
7 | 12321223605226 |
oct | 1720740513515 |
9 | 415404106121 |
10 | 131122501453 |
11 | 50677263089 |
12 | 214b47b1291 |
13 | c498603388 |
14 | 64bc5c424d |
15 | 362669181d |
hex | 1e8782974d |
131122501453 has 4 divisors (see below), whose sum is σ = 138023685760. Its totient is φ = 124221317148.
The previous prime is 131122501427. The next prime is 131122501493. The reversal of 131122501453 is 354105221131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131122501453 is a prime.
It is a super-2 number, since 2×1311225014532 (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 (131122501403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3450592125 + ... + 3450592162.
It is an arithmetic number, because the mean of its divisors is an integer number (34505921440).
Almost surely, 2131122501453 is an apocalyptic number.
It is an amenable number.
131122501453 is a deficient number, since it is larger than the sum of its proper divisors (6901184307).
131122501453 is an equidigital number, since it uses as much as digits as its factorization.
131122501453 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6901184306.
The product of its (nonzero) digits is 3600, while the sum is 28.
Adding to 131122501453 its reverse (354105221131), we get a palindrome (485227722584).
The spelling of 131122501453 in words is "one hundred thirty-one billion, one hundred twenty-two million, five hundred one thousand, four hundred fifty-three".
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