Base | Representation |
---|---|
bin | 101101111101011000011011… |
… | …111101111111111111111111 |
3 | 222111200110102120121111221002 |
4 | 231331120123331333333333 |
5 | 202443200142322401421 |
6 | 1553521201411400515 |
7 | 60401266166512421 |
oct | 5575303375777777 |
9 | 874613376544832 |
10 | 202130220122111 |
11 | 5944aa4380a266 |
12 | 1a8062358b313b |
13 | 88a2a4b1a8c38 |
14 | 37cb224cbc811 |
15 | 1857d0e3b1b0b |
hex | b7d61bf7ffff |
202130220122111 has 8 divisors (see below), whose sum is σ = 202142233509264. Its totient is φ = 202118207146240.
The previous prime is 202130220122041. The next prime is 202130220122167. The reversal of 202130220122111 is 111221022031202.
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-202130220122111 is a prime.
It is a super-2 number, since 2×2021302201221112 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202130220121111) 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, 1699842320 + ... + 1699961226.
It is an arithmetic number, because the mean of its divisors is an integer number (25267779188658).
Almost surely, 2202130220122111 is an apocalyptic number.
202130220122111 is a deficient number, since it is larger than the sum of its proper divisors (12013387153).
202130220122111 is a wasteful number, since it uses less digits than its factorization.
202130220122111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205641.
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 202130220122111 its reverse (111221022031202), we get a palindrome (313351242153313).
The spelling of 202130220122111 in words is "two hundred two trillion, one hundred thirty billion, two hundred twenty million, one hundred twenty-two thousand, one hundred eleven".
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