Base | Representation |
---|---|
bin | 101001001001110… |
… | …1010010000000011 |
3 | 10120020101020210200 |
4 | 1102103222100003 |
5 | 10312001314012 |
6 | 345005100243 |
7 | 46135222161 |
oct | 12223522003 |
9 | 3506336720 |
10 | 1380885507 |
11 | 6495237a1 |
12 | 326557683 |
13 | 190118421 |
14 | d1578231 |
15 | 8136b3dc |
hex | 524ea403 |
1380885507 has 6 divisors (see below), whose sum is σ = 1994612412. Its totient is φ = 920590332.
The previous prime is 1380885413. The next prime is 1380885511. The reversal of 1380885507 is 7055880831.
It is a happy number.
1380885507 is a `hidden beast` number, since 13 + 8 + 0 + 88 + 550 + 7 = 666.
It is not a de Polignac number, because 1380885507 - 27 = 1380885379 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1380885557) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76715853 + ... + 76715870.
It is an arithmetic number, because the mean of its divisors is an integer number (332435402).
Almost surely, 21380885507 is an apocalyptic number.
1380885507 is a deficient number, since it is larger than the sum of its proper divisors (613726905).
1380885507 is a wasteful number, since it uses less digits than its factorization.
1380885507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153431729 (or 153431726 counting only the distinct ones).
The product of its (nonzero) digits is 268800, while the sum is 45.
The square root of 1380885507 is about 37160.2678542553. The cubic root of 1380885507 is about 1113.5743627475.
The spelling of 1380885507 in words is "one billion, three hundred eighty million, eight hundred eighty-five thousand, five hundred seven".
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