Base | Representation |
---|---|
bin | 101001010011100… |
… | …1110000011010100 |
3 | 10120121000202020112 |
4 | 1102213032003110 |
5 | 10314304403014 |
6 | 345311022152 |
7 | 46226625614 |
oct | 12247160324 |
9 | 3517022215 |
10 | 1386012884 |
11 | 651405aa3 |
12 | 32820a958 |
13 | 1911c2189 |
14 | d2110a44 |
15 | 81a3073e |
hex | 529ce0d4 |
1386012884 has 6 divisors (see below), whose sum is σ = 2425522554. Its totient is φ = 693006440.
The previous prime is 1386012877. The next prime is 1386012889. The reversal of 1386012884 is 4882106831.
It can be written as a sum of positive squares in only one way, i.e., 928908484 + 457104400 = 30478^2 + 21380^2 .
It is a super-2 number, since 2×13860128842 = 3842063429227994912, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1386012889) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173251607 + ... + 173251614.
It is an arithmetic number, because the mean of its divisors is an integer number (404253759).
Almost surely, 21386012884 is an apocalyptic number.
It is an amenable number.
1386012884 is a deficient number, since it is larger than the sum of its proper divisors (1039509670).
1386012884 is a wasteful number, since it uses less digits than its factorization.
1386012884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 346503225 (or 346503223 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 41.
The square root of 1386012884 is about 37229.1939746216. The cubic root of 1386012884 is about 1114.9509343166.
The spelling of 1386012884 in words is "one billion, three hundred eighty-six million, twelve thousand, eight hundred eighty-four".
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