Base | Representation |
---|---|
bin | 101001011011011… |
… | …1101011110000000 |
3 | 10120212210101120102 |
4 | 1102312331132000 |
5 | 10321333424024 |
6 | 345535301532 |
7 | 46306663103 |
oct | 12266753600 |
9 | 3525711512 |
10 | 1390139264 |
11 | 653774228 |
12 | 32967a8a8 |
13 | 192008417 |
14 | d28a673a |
15 | 820981ae |
hex | 52dbd780 |
1390139264 has 32 divisors (see below), whose sum is σ = 2773902240. Its totient is φ = 693944320.
The previous prime is 1390139227. The next prime is 1390139281. The reversal of 1390139264 is 4629310931.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73577 + ... + 90519.
It is an arithmetic number, because the mean of its divisors is an integer number (86684445).
Almost surely, 21390139264 is an apocalyptic number.
It is an amenable number.
1390139264 is a deficient number, since it is larger than the sum of its proper divisors (1383762976).
1390139264 is an equidigital number, since it uses as much as digits as its factorization.
1390139264 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17598 (or 17586 counting only the distinct ones).
The product of its (nonzero) digits is 34992, while the sum is 38.
The square root of 1390139264 is about 37284.5713935403. The cubic root of 1390139264 is about 1116.0562999650.
The spelling of 1390139264 in words is "one billion, three hundred ninety million, one hundred thirty-nine thousand, two hundred sixty-four".
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