Base | Representation |
---|---|
bin | 10001101001110100010… |
… | …100100000111011101101 |
3 | 11021222022021110200210112 |
4 | 101221310110200323231 |
5 | 124333443332443201 |
6 | 2325145535345405 |
7 | 153434356341560 |
oct | 21516424407355 |
9 | 4258267420715 |
10 | 1213132312301 |
11 | 428539622758 |
12 | 177143682265 |
13 | 8a5232047c0 |
14 | 42a046964d7 |
15 | 21852a760bb |
hex | 11a74520eed |
1213132312301 has 32 divisors (see below), whose sum is σ = 1600926243840. Its totient is φ = 891944441856.
The previous prime is 1213132312261. The next prime is 1213132312331. The reversal of 1213132312301 is 1032132313121.
It is not a de Polignac number, because 1213132312301 - 222 = 1213128117997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213132312331) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4840976 + ... + 5085401.
It is an arithmetic number, because the mean of its divisors is an integer number (50028945120).
Almost surely, 21213132312301 is an apocalyptic number.
It is an amenable number.
1213132312301 is a deficient number, since it is larger than the sum of its proper divisors (387793931539).
1213132312301 is a wasteful number, since it uses less digits than its factorization.
1213132312301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9926493.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 1213132312301 its reverse (1032132313121), we get a palindrome (2245264625422).
The spelling of 1213132312301 in words is "one trillion, two hundred thirteen billion, one hundred thirty-two million, three hundred twelve thousand, three hundred one".
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