Base | Representation |
---|---|
bin | 11101101100010001011… |
… | …10101111000101101111 |
3 | 10121112022120112211000212 |
4 | 32312020232233011233 |
5 | 113203333001431111 |
6 | 2100401324213035 |
7 | 133464352064534 |
oct | 16661056570557 |
9 | 3545276484025 |
10 | 1020201202031 |
11 | 363734a88a90 |
12 | 14587b39a17b |
13 | 7528755b91b |
14 | 37541344d8b |
15 | 1b80eec798b |
hex | ed88baf16f |
1020201202031 has 8 divisors (see below), whose sum is σ = 1112957904000. Its totient is φ = 927446356440.
The previous prime is 1020201201979. The next prime is 1020201202073. The reversal of 1020201202031 is 1302021020201.
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 1020201202031 - 234 = 1003021332847 is a prime.
It is a super-2 number, since 2×10202012020312 (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 = 1020201201997 and 1020201202015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020201202081) 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, 845750 + ... + 1660028.
It is an arithmetic number, because the mean of its divisors is an integer number (139119738000).
Almost surely, 21020201202031 is an apocalyptic number.
1020201202031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1020201202031 is a deficient number, since it is larger than the sum of its proper divisors (92756701969).
1020201202031 is a wasteful number, since it uses less digits than its factorization.
1020201202031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 928189.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 1020201202031 its reverse (1302021020201), we get a palindrome (2322222222232).
The spelling of 1020201202031 in words is "one trillion, twenty billion, two hundred one million, two hundred two thousand, thirty-one".
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