Base | Representation |
---|---|
bin | 11110101110001001001… |
… | …110100010010001001110 |
3 | 21110211012100212022222002 |
4 | 132232021032202101032 |
5 | 234042044043400220 |
6 | 4253501300552302 |
7 | 305344541246003 |
oct | 36561116422116 |
9 | 7424170768862 |
10 | 2111131231310 |
11 | 7443645a7802 |
12 | 2a11996b2692 |
13 | 1241042284ca |
14 | 74271dc18aa |
15 | 39dae579c75 |
hex | 1eb893a244e |
2111131231310 has 32 divisors (see below), whose sum is σ = 3862680835104. Its totient is φ = 830533968000.
The previous prime is 2111131231271. The next prime is 2111131231333. The reversal of 2111131231310 is 131321311112.
It is a super-2 number, since 2×21111312313102 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
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, 6858920 + ... + 7160100.
It is an arithmetic number, because the mean of its divisors is an integer number (120708776097).
Almost surely, 22111131231310 is an apocalyptic number.
2111131231310 is a deficient number, since it is larger than the sum of its proper divisors (1751549603794).
2111131231310 is a wasteful number, since it uses less digits than its factorization.
2111131231310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 312740.
The product of its (nonzero) digits is 108, while the sum is 20.
Adding to 2111131231310 its reverse (131321311112), we get a palindrome (2242452542422).
The spelling of 2111131231310 in words is "two trillion, one hundred eleven billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred ten".
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