Base | Representation |
---|---|
bin | 101001001000110… |
… | …0111101011001011 |
3 | 10120012101002010210 |
4 | 1102101213223023 |
5 | 10311332210132 |
6 | 344545412203 |
7 | 46130533653 |
oct | 12221475313 |
9 | 3505332123 |
10 | 1380350667 |
11 | 649198983 |
12 | 32633a063 |
13 | 18cc8bb57 |
14 | d1479363 |
15 | 812b2bcc |
hex | 52467acb |
1380350667 has 16 divisors (see below), whose sum is σ = 1856453760. Its totient is φ = 912269952.
The previous prime is 1380350663. The next prime is 1380350669. The reversal of 1380350667 is 7660530831.
It is not a de Polignac number, because 1380350667 - 22 = 1380350663 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1380350663) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201523 + ... + 208259.
It is an arithmetic number, because the mean of its divisors is an integer number (116028360).
Almost surely, 21380350667 is an apocalyptic number.
1380350667 is a deficient number, since it is larger than the sum of its proper divisors (476103093).
1380350667 is a wasteful number, since it uses less digits than its factorization.
1380350667 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7322.
The product of its (nonzero) digits is 90720, while the sum is 39.
The square root of 1380350667 is about 37153.0707613785. The cubic root of 1380350667 is about 1113.4305755378.
The spelling of 1380350667 in words is "one billion, three hundred eighty million, three hundred fifty thousand, six hundred sixty-seven".
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