Base | Representation |
---|---|
bin | 101001010100101… |
… | …1011000011001100 |
3 | 10120122010002110110 |
4 | 1102221123003030 |
5 | 10314431343122 |
6 | 345331240020 |
7 | 46234552434 |
oct | 12251330314 |
9 | 3518102413 |
10 | 1386590412 |
11 | 65176a999 |
12 | 328449010 |
13 | 191364ccc |
14 | d22212c4 |
15 | 81ae690c |
hex | 52a5b0cc |
1386590412 has 12 divisors (see below), whose sum is σ = 3235377656. Its totient is φ = 462196800.
The previous prime is 1386590411. The next prime is 1386590419. The reversal of 1386590412 is 2140956831.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (1386590411) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57774589 + ... + 57774612.
Almost surely, 21386590412 is an apocalyptic number.
1386590412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1386590412 is an abundant number, since it is smaller than the sum of its proper divisors (1848787244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1386590412 is a wasteful number, since it uses less digits than its factorization.
1386590412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115549208 (or 115549206 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 39.
The square root of 1386590412 is about 37236.9495528299. The cubic root of 1386590412 is about 1115.1057731773.
The spelling of 1386590412 in words is "one billion, three hundred eighty-six million, five hundred ninety thousand, four hundred twelve".
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