Base | Representation |
---|---|
bin | 101001001001110… |
… | …1001011110001011 |
3 | 10120020101002102110 |
4 | 1102103221132023 |
5 | 10312001213230 |
6 | 345005033403 |
7 | 46135206651 |
oct | 12223513613 |
9 | 3506332373 |
10 | 1380882315 |
11 | 64952135a |
12 | 326555863 |
13 | 190116b37 |
14 | d1576dd1 |
15 | 8136a4b0 |
hex | 524e978b |
1380882315 has 32 divisors (see below), whose sum is σ = 2283782400. Its totient is φ = 712091520.
The previous prime is 1380882313. The next prime is 1380882329. The reversal of 1380882315 is 5132880831.
It is not a de Polignac number, because 1380882315 - 21 = 1380882313 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1380882313) 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, 41196 + ... + 66774.
It is an arithmetic number, because the mean of its divisors is an integer number (71368200).
Almost surely, 21380882315 is an apocalyptic number.
1380882315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1380882315 is a deficient number, since it is larger than the sum of its proper divisors (902900085).
1380882315 is a wasteful number, since it uses less digits than its factorization.
1380882315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25707.
The product of its (nonzero) digits is 46080, while the sum is 39.
The square root of 1380882315 is about 37160.2249051321. The cubic root of 1380882315 is about 1113.5735047155.
The spelling of 1380882315 in words is "one billion, three hundred eighty million, eight hundred eighty-two thousand, three hundred fifteen".
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