Base | Representation |
---|---|
bin | 1100011010101001010… |
… | …0100000000011010100 |
3 | 202101121000002101101000 |
4 | 3012222110200003110 |
5 | 11443330042222023 |
6 | 241554344503300 |
7 | 21261020501640 |
oct | 3065224400324 |
9 | 671530071330 |
10 | 213310898388 |
11 | 82512494175 |
12 | 3541147ab30 |
13 | 17165c36403 |
14 | a477c59c20 |
15 | 5836d39243 |
hex | 31aa5200d4 |
213310898388 has 192 divisors, whose sum is σ = 639361515520. Its totient is φ = 60241480704.
The previous prime is 213310898357. The next prime is 213310898407. The reversal of 213310898388 is 883898013312.
213310898388 is a `hidden beast` number, since 213 + 310 + 89 + 8 + 38 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47263620 + ... + 47268132.
Almost surely, 2213310898388 is an apocalyptic number.
213310898388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213310898388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319680757760).
213310898388 is an abundant number, since it is smaller than the sum of its proper divisors (426050617132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213310898388 is a wasteful number, since it uses less digits than its factorization.
213310898388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5243 (or 5235 counting only the distinct ones).
The product of its (nonzero) digits is 1990656, while the sum is 54.
The spelling of 213310898388 in words is "two hundred thirteen billion, three hundred ten million, eight hundred ninety-eight thousand, three hundred eighty-eight".
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