Base | Representation |
---|---|
bin | 101001000110100… |
… | …0000101110101010 |
3 | 10120010002200221110 |
4 | 1102031000232222 |
5 | 10311030030240 |
6 | 344503451150 |
7 | 46114342551 |
oct | 12215005652 |
9 | 3503080843 |
10 | 1379142570 |
11 | 648543253 |
12 | 325a56ab6 |
13 | 18c957cc0 |
14 | d1242d98 |
15 | 81124c80 |
hex | 52340baa |
1379142570 has 64 divisors (see below), whose sum is σ = 3679570944. Its totient is φ = 328527360.
The previous prime is 1379142559. The next prime is 1379142619. The reversal of 1379142570 is 752419731.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44947 + ... + 69126.
It is an arithmetic number, because the mean of its divisors is an integer number (57493296).
Almost surely, 21379142570 is an apocalyptic number.
1379142570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1379142570 is an abundant number, since it is smaller than the sum of its proper divisors (2300428374).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1379142570 is a wasteful number, since it uses less digits than its factorization.
1379142570 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114127.
The product of its (nonzero) digits is 52920, while the sum is 39.
The square root of 1379142570 is about 37136.8088289772. The cubic root of 1379142570 is about 1113.1056521239.
The spelling of 1379142570 in words is "one billion, three hundred seventy-nine million, one hundred forty-two thousand, five hundred seventy".
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