Base | Representation |
---|---|
bin | 10011000100001000110… |
… | …001110110101110011110 |
3 | 11122020121222110010202110 |
4 | 103010020301312232132 |
5 | 132431102222442342 |
6 | 2441505101334450 |
7 | 163436542625250 |
oct | 23041061665636 |
9 | 4566558403673 |
10 | 1310112312222 |
11 | 46568527801a |
12 | 191aa9b67426 |
13 | 9670a14953c |
14 | 475a45c5cd0 |
15 | 2412babac9c |
hex | 13108c76b9e |
1310112312222 has 16 divisors (see below), whose sum is σ = 2994542428032. Its totient is φ = 374317803480.
The previous prime is 1310112312211. The next prime is 1310112312277. The reversal of 1310112312222 is 2222132110131.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15596575104 + ... + 15596575187.
It is an arithmetic number, because the mean of its divisors is an integer number (187158901752).
Almost surely, 21310112312222 is an apocalyptic number.
1310112312222 is an abundant number, since it is smaller than the sum of its proper divisors (1684430115810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1310112312222 is a wasteful number, since it uses less digits than its factorization.
1310112312222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31193150303.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 1310112312222 its reverse (2222132110131), we get a palindrome (3532244422353).
The spelling of 1310112312222 in words is "one trillion, three hundred ten billion, one hundred twelve million, three hundred twelve thousand, two hundred twenty-two".
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