Base | Representation |
---|---|
bin | 100100001010001… |
… | …0111110110101100 |
3 | 10010120001000220020 |
4 | 1020110113312230 |
5 | 4441101101030 |
6 | 320221122140 |
7 | 42031611123 |
oct | 11024276654 |
9 | 3116030806 |
10 | 1213300140 |
11 | 572970398 |
12 | 29a3b9350 |
13 | 1644a01a0 |
14 | b71d2aba |
15 | 717b6510 |
hex | 48517dac |
1213300140 has 96 divisors (see below), whose sum is σ = 3817691136. Its totient is φ = 285669120.
The previous prime is 1213300133. The next prime is 1213300171. The reversal of 1213300140 is 410033121.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15876 + ... + 51755.
It is an arithmetic number, because the mean of its divisors is an integer number (39767616).
Almost surely, 21213300140 is an apocalyptic number.
1213300140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1213300140 is an abundant number, since it is smaller than the sum of its proper divisors (2604390996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213300140 is a wasteful number, since it uses less digits than its factorization.
1213300140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67679 (or 67677 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 1213300140 is about 34832.4581389255. The cubic root of 1213300140 is about 1066.5701277647.
Adding to 1213300140 its reverse (410033121), we get a palindrome (1623333261).
The spelling of 1213300140 in words is "one billion, two hundred thirteen million, three hundred thousand, one hundred forty".
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