Base | Representation |
---|---|
bin | 101101110000001000111010… |
… | …100111101100101111110111 |
3 | 222101110110111210122200122102 |
4 | 231300020322213230233313 |
5 | 202333242433013144111 |
6 | 1551543141230052315 |
7 | 60245452112260001 |
oct | 5560107247545767 |
9 | 871413453580572 |
10 | 201220201303031 |
11 | 5912a00a9213a9 |
12 | 1a6999a634a09b |
13 | 8837ca2b73921 |
14 | 3799177075371 |
15 | 183e2ec50b13b |
hex | b7023a9ecbf7 |
201220201303031 has 8 divisors (see below), whose sum is σ = 208175280655680. Its totient is φ = 194266218731872.
The previous prime is 201220201303003. The next prime is 201220201303057. The reversal of 201220201303031 is 130303102022102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-201220201303031 is a prime.
It is a super-2 number, since 2×2012202013030312 (a number of 29 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 = 201220201302994 and 201220201303012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201220201303001) 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, 273822095 + ... + 274555968.
It is an arithmetic number, because the mean of its divisors is an integer number (26021910081960).
Almost surely, 2201220201303031 is an apocalyptic number.
201220201303031 is a deficient number, since it is larger than the sum of its proper divisors (6955079352649).
201220201303031 is a wasteful number, since it uses less digits than its factorization.
201220201303031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 548390745.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 201220201303031 its reverse (130303102022102), we get a palindrome (331523303325133).
The spelling of 201220201303031 in words is "two hundred one trillion, two hundred twenty billion, two hundred one million, three hundred three thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •