Base | Representation |
---|---|
bin | 10011000001010001… |
… | …01011001110010011 |
3 | 222100122012012221211 |
4 | 21200220223032103 |
5 | 131403032211011 |
6 | 4405125400551 |
7 | 511020565633 |
oct | 114050531623 |
9 | 28318165854 |
10 | 10211210131 |
11 | 436aa64341 |
12 | 1b8b869157 |
13 | c6969b095 |
14 | 6cc2226c3 |
15 | 3eb6cdb21 |
hex | 260a2b393 |
10211210131 has 4 divisors (see below), whose sum is σ = 10355030064. Its totient is φ = 10067390200.
The previous prime is 10211210117. The next prime is 10211210183. The reversal of 10211210131 is 13101211201.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 10211210131 - 27 = 10211210003 is a prime.
It is a super-2 number, since 2×102112101312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10211210101) 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, 71909860 + ... + 71910001.
It is an arithmetic number, because the mean of its divisors is an integer number (2588757516).
Almost surely, 210211210131 is an apocalyptic number.
10211210131 is a deficient number, since it is larger than the sum of its proper divisors (143819933).
10211210131 is an equidigital number, since it uses as much as digits as its factorization.
10211210131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143819932.
The product of its (nonzero) digits is 12, while the sum is 13.
Adding to 10211210131 its reverse (13101211201), we get a palindrome (23312421332).
The spelling of 10211210131 in words is "ten billion, two hundred eleven million, two hundred ten thousand, one hundred thirty-one".
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