Base | Representation |
---|---|
bin | 10001011110100111001… |
… | …101100000000110101111 |
3 | 11020211020210211101011011 |
4 | 101132213031200012233 |
5 | 124134323402210111 |
6 | 2315440035210051 |
7 | 152530256555632 |
oct | 21364715400657 |
9 | 4224223741134 |
10 | 1201101210031 |
11 | 423425358528 |
12 | 174946446927 |
13 | 893567a0388 |
14 | 421c289dc19 |
15 | 2139b710021 |
hex | 117a73601af |
1201101210031 has 8 divisors (see below), whose sum is σ = 1223929699200. Its totient is φ = 1178373956640.
The previous prime is 1201101210019. The next prime is 1201101210041. The reversal of 1201101210031 is 1300121011021.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1201101210031 - 221 = 1201099112879 is a prime.
It is a super-2 number, since 2×12011012100312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1201101209993 and 1201101210020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1201101210011) 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, 25284991 + ... + 25332448.
It is an arithmetic number, because the mean of its divisors is an integer number (152991212400).
Almost surely, 21201101210031 is an apocalyptic number.
1201101210031 is a deficient number, since it is larger than the sum of its proper divisors (22828489169).
1201101210031 is an equidigital number, since it uses as much as digits as its factorization.
1201101210031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50617889.
The product of its (nonzero) digits is 12, while the sum is 13.
Adding to 1201101210031 its reverse (1300121011021), we get a palindrome (2501222221052).
The spelling of 1201101210031 in words is "one trillion, two hundred one billion, one hundred one million, two hundred ten thousand, thirty-one".
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