Base | Representation |
---|---|
bin | 10001011110101000011… |
… | …001110111110110000010 |
3 | 11020211022012111111200021 |
4 | 101132220121313312002 |
5 | 124134344013331320 |
6 | 2315442032244054 |
7 | 152530622000536 |
oct | 21365031676602 |
9 | 4224265444607 |
10 | 1201121230210 |
11 | 423435691a30 |
12 | 1749510a062a |
13 | 8935a98ca35 |
14 | 421c53d1bc6 |
15 | 2139d366daa |
hex | 117a8677d82 |
1201121230210 has 16 divisors (see below), whose sum is σ = 2358565324992. Its totient is φ = 436771356400.
The previous prime is 1201121230193. The next prime is 1201121230219. The reversal of 1201121230210 is 120321211021.
It is a super-2 number, since 2×12011212302102 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1201121230219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5459641846 + ... + 5459642065.
It is an arithmetic number, because the mean of its divisors is an integer number (147410332812).
Almost surely, 21201121230210 is an apocalyptic number.
1201121230210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1201121230210 is a deficient number, since it is larger than the sum of its proper divisors (1157444094782).
1201121230210 is a wasteful number, since it uses less digits than its factorization.
1201121230210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10919283929.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 1201121230210 its reverse (120321211021), we get a palindrome (1321442441231).
The spelling of 1201121230210 in words is "one trillion, two hundred one billion, one hundred twenty-one million, two hundred thirty thousand, two hundred ten".
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