Base | Representation |
---|---|
bin | 11110111001011001001… |
… | …111001111010010000010 |
3 | 21111222101020002201202100 |
4 | 132321121033033102002 |
5 | 234241314004324302 |
6 | 4303220100331230 |
7 | 306253101551121 |
oct | 36713117172202 |
9 | 7458336081670 |
10 | 2123211011202 |
11 | 7494a329a176 |
12 | 2a35ab0a3b16 |
13 | 1252aaa74168 |
14 | 74a9a449ab8 |
15 | 3a369d08d1c |
hex | 1ee593cf482 |
2123211011202 has 96 divisors (see below), whose sum is σ = 4946542848000. Its totient is φ = 656075808864.
The previous prime is 2123211011197. The next prime is 2123211011209. The reversal of 2123211011202 is 2021101123212.
2123211011202 is a `hidden beast` number, since 212 + 321 + 10 + 1 + 120 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (2123211011209) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88829049 + ... + 88852947.
It is an arithmetic number, because the mean of its divisors is an integer number (51526488000).
Almost surely, 22123211011202 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2123211011202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2473271424000).
2123211011202 is an abundant number, since it is smaller than the sum of its proper divisors (2823331836798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2123211011202 is a wasteful number, since it uses less digits than its factorization.
2123211011202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29500 (or 29497 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 2123211011202 its reverse (2021101123212), we get a palindrome (4144312134414).
The spelling of 2123211011202 in words is "two trillion, one hundred twenty-three billion, two hundred eleven million, eleven thousand, two hundred two".
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