Base | Representation |
---|---|
bin | 100001101000000011… |
… | …1100010000100001010 |
3 | 20220101111221120121010 |
4 | 1003100013202010022 |
5 | 2140342021042302 |
6 | 53101234424350 |
7 | 5134313216625 |
oct | 1032007420412 |
9 | 226344846533 |
10 | 72211112202 |
11 | 28696321429 |
12 | 11bb34320b6 |
13 | 6a6a569b78 |
14 | 36d0546dbc |
15 | 1d297c516c |
hex | 10d01e210a |
72211112202 has 24 divisors (see below), whose sum is σ = 150974468064. Its totient is φ = 23023831864.
The previous prime is 72211112191. The next prime is 72211112209. The reversal of 72211112202 is 20221111227.
It is not an unprimeable number, because it can be changed into a prime (72211112209) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11372238 + ... + 11378585.
It is an arithmetic number, because the mean of its divisors is an integer number (6290602836).
Almost surely, 272211112202 is an apocalyptic number.
72211112202 is an abundant number, since it is smaller than the sum of its proper divisors (78763355862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72211112202 is a wasteful number, since it uses less digits than its factorization.
72211112202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22750874 (or 22750851 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 21.
Adding to 72211112202 its reverse (20221111227), we get a palindrome (92432223429).
The spelling of 72211112202 in words is "seventy-two billion, two hundred eleven million, one hundred twelve thousand, two hundred two".
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