Base | Representation |
---|---|
bin | 11101101010001001101110… |
… | …100010000011011000010101 |
3 | 122002211221110122201012210201 |
4 | 131222021232202003120111 |
5 | 114044112120331400041 |
6 | 1141231151445020501 |
7 | 36321660035201425 |
oct | 3552115642033025 |
9 | 562757418635721 |
10 | 130440011200021 |
11 | 38620330838386 |
12 | 127681939b4731 |
13 | 57a25953978c3 |
14 | 242d48a206485 |
15 | 101309d93c631 |
hex | 76a26e883615 |
130440011200021 has 4 divisors (see below), whose sum is σ = 130442142250944. Its totient is φ = 130437880149100.
The previous prime is 130440011200007. The next prime is 130440011200091. The reversal of 130440011200021 is 120002110044031.
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-130440011200021 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130440011200091) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065433645 + ... + 1065556066.
It is an arithmetic number, because the mean of its divisors is an integer number (32610535562736).
Almost surely, 2130440011200021 is an apocalyptic number.
It is an amenable number.
130440011200021 is a deficient number, since it is larger than the sum of its proper divisors (2131050923).
130440011200021 is an equidigital number, since it uses as much as digits as its factorization.
130440011200021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2131050922.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 130440011200021 its reverse (120002110044031), we get a palindrome (250442121244052).
The spelling of 130440011200021 in words is "one hundred thirty trillion, four hundred forty billion, eleven million, two hundred thousand, twenty-one".
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