Base | Representation |
---|---|
bin | 1011110000100011011… |
… | …1011011001110110101 |
3 | 201022102120121112211110 |
4 | 2330020313123032311 |
5 | 11302210111210401 |
6 | 232445250425233 |
7 | 20411023311522 |
oct | 2741067331665 |
9 | 638376545743 |
10 | 202012210101 |
11 | 78744698459 |
12 | 33199592219 |
13 | 16085180040 |
14 | 9ac5438149 |
15 | 53c4e499d6 |
hex | 2f08ddb3b5 |
202012210101 has 8 divisors (see below), whose sum is σ = 290068814560. Its totient is φ = 124315206192.
The previous prime is 202012210069. The next prime is 202012210109. The reversal of 202012210101 is 101012210202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 202012210101 - 25 = 202012210069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202012210109) 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, 2589900091 + ... + 2589900168.
It is an arithmetic number, because the mean of its divisors is an integer number (36258601820).
Almost surely, 2202012210101 is an apocalyptic number.
It is an amenable number.
202012210101 is a deficient number, since it is larger than the sum of its proper divisors (88056604459).
202012210101 is a wasteful number, since it uses less digits than its factorization.
202012210101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5179800275.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 202012210101 its reverse (101012210202), we get a palindrome (303024420303).
The spelling of 202012210101 in words is "two hundred two billion, twelve million, two hundred ten thousand, one hundred one".
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