Base | Representation |
---|---|
bin | 1100010010011101110… |
… | …0110001101111000000 |
3 | 202011220222121000200022 |
4 | 3010213130301233000 |
5 | 11424331001041142 |
6 | 240552432313012 |
7 | 21152430016322 |
oct | 3044734615700 |
9 | 664828530608 |
10 | 211115252672 |
11 | 81596069035 |
12 | 34aba0a2768 |
13 | 16ba609a96c |
14 | a30a3d3612 |
15 | 57591cc6d2 |
hex | 3127731bc0 |
211115252672 has 28 divisors (see below), whose sum is σ = 440980875720. Its totient is φ = 100001961216.
The previous prime is 211115252657. The next prime is 211115252683. The reversal of 211115252672 is 276252511112.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86806043 + ... + 86808474.
It is an arithmetic number, because the mean of its divisors is an integer number (15749316990).
Almost surely, 2211115252672 is an apocalyptic number.
It is an amenable number.
211115252672 is an abundant number, since it is smaller than the sum of its proper divisors (229865623048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211115252672 is a wasteful number, since it uses less digits than its factorization.
211115252672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173614548 (or 173614538 counting only the distinct ones).
The product of its digits is 16800, while the sum is 35.
Adding to 211115252672 its reverse (276252511112), we get a palindrome (487367763784).
The spelling of 211115252672 in words is "two hundred eleven billion, one hundred fifteen million, two hundred fifty-two thousand, six hundred seventy-two".
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