Base | Representation |
---|---|
bin | 1100010110100010111… |
… | …0000100000001111100 |
3 | 202021202022010100110120 |
4 | 3011220232010001330 |
5 | 11434101314144400 |
6 | 241253231134540 |
7 | 21221524546215 |
oct | 3055056040174 |
9 | 667668110416 |
10 | 212210303100 |
11 | 81aa8202694 |
12 | 35164974450 |
13 | 1701bc077b3 |
14 | a3b1a0440c |
15 | 57c03d6ca0 |
hex | 3168b8407c |
212210303100 has 144 divisors (see below), whose sum is σ = 618629905152. Its totient is φ = 56163248640.
The previous prime is 212210303087. The next prime is 212210303113. The reversal of 212210303100 is 1303012212.
It is an interprime number because it is at equal distance from previous prime (212210303087) and next prime (212210303113).
It is a super-2 number, since 2×2122103031002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 212210303100.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40242064 + ... + 40247336.
It is an arithmetic number, because the mean of its divisors is an integer number (4296041008).
Almost surely, 2212210303100 is an apocalyptic number.
212210303100 is a gapful number since it is divisible by the number (20) 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 212210303100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309314952576).
212210303100 is an abundant number, since it is smaller than the sum of its proper divisors (406419602052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212210303100 is a wasteful number, since it uses less digits than its factorization.
212210303100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6276 (or 6269 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 212210303100 its reverse (1303012212), we get a palindrome (213513315312).
The spelling of 212210303100 in words is "two hundred twelve billion, two hundred ten million, three hundred three thousand, one hundred".
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