Base | Representation |
---|---|
bin | 101000111000110… |
… | …1001101001011100 |
3 | 10112121121022012220 |
4 | 1101301221221130 |
5 | 10302211021030 |
6 | 344050025340 |
7 | 45666360642 |
oct | 12161515134 |
9 | 3477538186 |
10 | 1371970140 |
11 | 644494522 |
12 | 323578250 |
13 | 18b316468 |
14 | d02d7192 |
15 | 806a9a10 |
hex | 51c69a5c |
1371970140 has 48 divisors (see below), whose sum is σ = 3848977440. Its totient is φ = 365148160.
The previous prime is 1371970139. The next prime is 1371970181. The reversal of 1371970140 is 410791731.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9316 + ... + 53204.
It is an arithmetic number, because the mean of its divisors is an integer number (80187030).
Almost surely, 21371970140 is an apocalyptic number.
1371970140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1371970140 is an abundant number, since it is smaller than the sum of its proper divisors (2477007300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1371970140 is a wasteful number, since it uses less digits than its factorization.
1371970140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44422 (or 44420 counting only the distinct ones).
The product of its (nonzero) digits is 5292, while the sum is 33.
The square root of 1371970140 is about 37040.1152805981. The cubic root of 1371970140 is about 1111.1726751296.
The spelling of 1371970140 in words is "one billion, three hundred seventy-one million, nine hundred seventy thousand, one hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •