Base | Representation |
---|---|
bin | 1011100010001000100010… |
… | …0101111011000101000001 |
3 | 1122220021222010202210012111 |
4 | 2320202020211323011001 |
5 | 3130231224441203411 |
6 | 42545330451455321 |
7 | 2446113604603546 |
oct | 270421045730501 |
9 | 48807863683174 |
10 | 12681035100481 |
11 | 4049aa67a1820 |
12 | 1509804bb7541 |
13 | 70ca7ca5b797 |
14 | 31baa0284bcd |
15 | 16ece2073721 |
hex | b888897b141 |
12681035100481 has 4 divisors (see below), whose sum is σ = 13833856473264. Its totient is φ = 11528213727700.
The previous prime is 12681035100397. The next prime is 12681035100523. The reversal of 12681035100481 is 18400153018621.
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 not a de Polignac number, because 12681035100481 - 29 = 12681035099969 is a prime.
It is a super-2 number, since 2×126810351004812 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12681035100781) 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, 576410686375 + ... + 576410686396.
It is an arithmetic number, because the mean of its divisors is an integer number (3458464118316).
Almost surely, 212681035100481 is an apocalyptic number.
12681035100481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12681035100481 is a deficient number, since it is larger than the sum of its proper divisors (1152821372783).
12681035100481 is a wasteful number, since it uses less digits than its factorization.
12681035100481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1152821372782.
The product of its (nonzero) digits is 46080, while the sum is 40.
The spelling of 12681035100481 in words is "twelve trillion, six hundred eighty-one billion, thirty-five million, one hundred thousand, four hundred eighty-one".
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