Base | Representation |
---|---|
bin | 101111111110001111… |
… | …0111010111111111100 |
3 | 100211220122201000112120 |
4 | 1133330132322333330 |
5 | 3141441133242340 |
6 | 115154332402540 |
7 | 10304636232642 |
oct | 1377436727774 |
9 | 324818630476 |
10 | 103020212220 |
11 | 3a766251262 |
12 | 17b71316450 |
13 | 993a44cb73 |
14 | 4db4209192 |
15 | 2a2e4724d0 |
hex | 17fc7baffc |
103020212220 has 96 divisors (see below), whose sum is σ = 296530747968. Its totient is φ = 26704484352.
The previous prime is 103020212213. The next prime is 103020212221. The reversal of 103020212220 is 22212020301.
It is a happy number.
103020212220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1030202122202 (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 103020212220.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103020212221) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2405232 + ... + 2447688.
It is an arithmetic number, because the mean of its divisors is an integer number (3088861958).
Almost surely, 2103020212220 is an apocalyptic number.
103020212220 is a gapful number since it is divisible by the number (10) 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 103020212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148265373984).
103020212220 is an abundant number, since it is smaller than the sum of its proper divisors (193510535748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103020212220 is a wasteful number, since it uses less digits than its factorization.
103020212220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43599 (or 43597 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 103020212220 its reverse (22212020301), we get a palindrome (125232232521).
The spelling of 103020212220 in words is "one hundred three billion, twenty million, two hundred twelve thousand, two hundred twenty".
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