Base | Representation |
---|---|
bin | 101001001000000… |
… | …0010111010010010 |
3 | 10120011121002222112 |
4 | 1102100002322102 |
5 | 10311231003223 |
6 | 344532505322 |
7 | 46124164451 |
oct | 12220027222 |
9 | 3504532875 |
10 | 1379937938 |
11 | 648a36885 |
12 | 32617b242 |
13 | 18cb76032 |
14 | d13acb98 |
15 | 81230778 |
hex | 52402e92 |
1379937938 has 8 divisors (see below), whose sum is σ = 2073252720. Its totient is φ = 688853700.
The previous prime is 1379937899. The next prime is 1379937971. The reversal of 1379937938 is 8397399731.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×13799379383 (a number of 28 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556088 + ... + 558563.
It is an arithmetic number, because the mean of its divisors is an integer number (259156590).
Almost surely, 21379937938 is an apocalyptic number.
1379937938 is a deficient number, since it is larger than the sum of its proper divisors (693314782).
1379937938 is a wasteful number, since it uses less digits than its factorization.
1379937938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1115272.
The product of its digits is 7715736, while the sum is 59.
The square root of 1379937938 is about 37147.5159061814. The cubic root of 1379937938 is about 1113.3195914456.
The spelling of 1379937938 in words is "one billion, three hundred seventy-nine million, nine hundred thirty-seven thousand, nine hundred thirty-eight".
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