Base | Representation |
---|---|
bin | 1011000000011000100001… |
… | …0101000101101000111011 |
3 | 1120211212100010202000101000 |
4 | 2300012020111011220323 |
5 | 3041231234241233311 |
6 | 41423115201500043 |
7 | 2356166160463110 |
oct | 260061025055073 |
9 | 46755303660330 |
10 | 12101210102331 |
11 | 3946104696779 |
12 | 1435366941623 |
13 | 69a1a6b1cabc |
14 | 2db9b763c907 |
15 | 15eba84de056 |
hex | b0188545a3b |
12101210102331 has 64 divisors (see below), whose sum is σ = 20717319669760. Its totient is φ = 6837978009600.
The previous prime is 12101210102329. The next prime is 12101210102363. The reversal of 12101210102331 is 13320101210121.
12101210102331 is a `hidden beast` number, since 1 + 21 + 0 + 1 + 210 + 102 + 331 = 666.
It is not a de Polignac number, because 12101210102331 - 21 = 12101210102329 is a prime.
It is a super-2 number, since 2×121012101023312 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12101210102381) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21743130 + ... + 22292736.
It is an arithmetic number, because the mean of its divisors is an integer number (323708119840).
Almost surely, 212101210102331 is an apocalyptic number.
12101210102331 is a deficient number, since it is larger than the sum of its proper divisors (8616109567429).
12101210102331 is a wasteful number, since it uses less digits than its factorization.
12101210102331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 550921 (or 550915 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 12101210102331 its reverse (13320101210121), we get a palindrome (25421311312452).
The spelling of 12101210102331 in words is "twelve trillion, one hundred one billion, two hundred ten million, one hundred two thousand, three hundred thirty-one".
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