Base | Representation |
---|---|
bin | 111100100101111010… |
… | …0111111010110000111 |
3 | 110102212100222220011220 |
4 | 1321023310333112013 |
5 | 4112442011413111 |
6 | 135435444531423 |
7 | 12254344650063 |
oct | 1711364772607 |
9 | 412770886156 |
10 | 130121201031 |
11 | 50203031278 |
12 | 212753b0b73 |
13 | c36902c313 |
14 | 6425618aa3 |
15 | 35b8804e06 |
hex | 1e4bd3f587 |
130121201031 has 8 divisors (see below), whose sum is σ = 174049232880. Its totient is φ = 86470318272.
The previous prime is 130121201017. The next prime is 130121201059. The reversal of 130121201031 is 130102121031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130121201031 - 27 = 130121200903 is a prime.
It is a super-2 number, since 2×1301212010312 (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 130121201031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130121208031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69286176 + ... + 69288053.
It is an arithmetic number, because the mean of its divisors is an integer number (21756154110).
Almost surely, 2130121201031 is an apocalyptic number.
130121201031 is a deficient number, since it is larger than the sum of its proper divisors (43928031849).
130121201031 is a wasteful number, since it uses less digits than its factorization.
130121201031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138574545.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 130121201031 its reverse (130102121031), we get a palindrome (260223322062).
The spelling of 130121201031 in words is "one hundred thirty billion, one hundred twenty-one million, two hundred one thousand, thirty-one".
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