Base | Representation |
---|---|
bin | 10110101110100101… |
… | …11100001001101001 |
3 | 1011111101012212122000 |
4 | 23113102330021221 |
5 | 144442203013001 |
6 | 5334443121213 |
7 | 611243203641 |
oct | 132722741151 |
9 | 34441185560 |
10 | 12202001001 |
11 | 51a1790a53 |
12 | 2446513209 |
13 | 11c5c6c848 |
14 | 83a7a1521 |
15 | 4b6372a86 |
hex | 2d74bc269 |
12202001001 has 16 divisors (see below), whose sum is σ = 19028462400. Its totient is φ = 7706526624.
The previous prime is 12202000961. The next prime is 12202001017. The reversal of 12202001001 is 10010020221.
It is not a de Polignac number, because 12202001001 - 210 = 12201999977 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (12202001041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11892276 + ... + 11893301.
It is an arithmetic number, because the mean of its divisors is an integer number (1189278900).
Almost surely, 212202001001 is an apocalyptic number.
It is an amenable number.
12202001001 is a deficient number, since it is larger than the sum of its proper divisors (6826461399).
12202001001 is a wasteful number, since it uses less digits than its factorization.
12202001001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23785605 (or 23785599 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
Adding to 12202001001 its reverse (10010020221), we get a palindrome (22212021222).
The spelling of 12202001001 in words is "twelve billion, two hundred two million, one thousand, one".
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