Base | Representation |
---|---|
bin | 11111000000110000000… |
… | …111110100000000011010 |
3 | 21112201202210120111210202 |
4 | 133000300013310000122 |
5 | 234404003422230320 |
6 | 4311004031342202 |
7 | 306652630514603 |
oct | 37006007640032 |
9 | 7481683514722 |
10 | 2131111133210 |
11 | 751887749824 |
12 | 2a5034981962 |
13 | 125c696b7177 |
14 | 75209754daa |
15 | 3a67d675b75 |
hex | 1f0301f401a |
2131111133210 has 32 divisors (see below), whose sum is σ = 3839258818512. Its totient is φ = 851720601600.
The previous prime is 2131111133197. The next prime is 2131111133251. The reversal of 2131111133210 is 123311111312.
It can be written as a sum of positive squares in 8 ways, for example, as 344560782049 + 1786550351161 = 586993^2 + 1336619^2 .
It is a super-2 number, since 2×21311111332102 (a number of 25 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, 60523610 + ... + 60558810.
Almost surely, 22131111133210 is an apocalyptic number.
2131111133210 is a deficient number, since it is larger than the sum of its proper divisors (1708147685302).
2131111133210 is a wasteful number, since it uses less digits than its factorization.
2131111133210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40178.
The product of its (nonzero) digits is 108, while the sum is 20.
Adding to 2131111133210 its reverse (123311111312), we get a palindrome (2254422244522).
The spelling of 2131111133210 in words is "two trillion, one hundred thirty-one billion, one hundred eleven million, one hundred thirty-three thousand, two hundred ten".
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