Base | Representation |
---|---|
bin | 101101010001100010101… |
… | …100011010010000000010 |
3 | 102000102120201111220102011 |
4 | 231101202230122100002 |
5 | 401433230301200310 |
6 | 10341134321243134 |
7 | 440530510530112 |
oct | 55214254322002 |
9 | 12012521456364 |
10 | 3111212131330 |
11 | a9a504159016 |
12 | 422b827934aa |
13 | 1975031aac84 |
14 | aa825087042 |
15 | 55de2e7178a |
hex | 2d462b1a402 |
3111212131330 has 32 divisors (see below), whose sum is σ = 5670500701824. Its totient is φ = 1228873501056.
The previous prime is 3111212131327. The next prime is 3111212131361. The reversal of 3111212131330 is 331312121113.
It is a super-2 number, since 2×31112121313302 (a number of 26 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713787 + ... + 2594593.
It is an arithmetic number, because the mean of its divisors is an integer number (177203146932).
Almost surely, 23111212131330 is an apocalyptic number.
3111212131330 is a deficient number, since it is larger than the sum of its proper divisors (2559288570494).
3111212131330 is a wasteful number, since it uses less digits than its factorization.
3111212131330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1882890.
The product of its (nonzero) digits is 324, while the sum is 22.
Adding to 3111212131330 its reverse (331312121113), we get a palindrome (3442524252443).
The spelling of 3111212131330 in words is "three trillion, one hundred eleven billion, two hundred twelve million, one hundred thirty-one thousand, three hundred thirty".
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