Base | Representation |
---|---|
bin | 10001100111001011101… |
… | …000100100011101100011 |
3 | 11021201000001011010012000 |
4 | 101213023220210131203 |
5 | 124312144332021011 |
6 | 2324001040535043 |
7 | 153304263062154 |
oct | 21471350443543 |
9 | 4251001133160 |
10 | 1210302220131 |
11 | 427317061604 |
12 | 176693921483 |
13 | 8a191a9c654 |
14 | 4281687b92b |
15 | 21739395356 |
hex | 119cba24763 |
1210302220131 has 64 divisors (see below), whose sum is σ = 2062901145600. Its totient is φ = 696228825600.
The previous prime is 1210302220123. The next prime is 1210302220139. The reversal of 1210302220131 is 1310222030121.
1210302220131 is a `hidden beast` number, since 1 + 2 + 10 + 302 + 220 + 131 = 666.
It is an interprime number because it is at equal distance from previous prime (1210302220123) and next prime (1210302220139).
It is not a de Polignac number, because 1210302220131 - 23 = 1210302220123 is a prime.
It is a super-2 number, since 2×12103022201312 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1210302220139) 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, 1968040 + ... + 2508741.
It is an arithmetic number, because the mean of its divisors is an integer number (32232830400).
Almost surely, 21210302220131 is an apocalyptic number.
1210302220131 is a deficient number, since it is larger than the sum of its proper divisors (852598925469).
1210302220131 is a wasteful number, since it uses less digits than its factorization.
1210302220131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4476857 (or 4476851 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 1210302220131 its reverse (1310222030121), we get a palindrome (2520524250252).
The spelling of 1210302220131 in words is "one trillion, two hundred ten billion, three hundred two million, two hundred twenty thousand, one hundred thirty-one".
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