Base | Representation |
---|---|
bin | 101001000100011… |
… | …1110110111001100 |
3 | 10120001010001002010 |
4 | 1102020332313030 |
5 | 10310242230343 |
6 | 344425101220 |
7 | 46102353312 |
oct | 12210766714 |
9 | 3501101063 |
10 | 1378086348 |
11 | 647991741 |
12 | 325627810 |
13 | 18c678312 |
14 | d104a0b2 |
15 | 80eb6d33 |
hex | 5223edcc |
1378086348 has 12 divisors (see below), whose sum is σ = 3215534840. Its totient is φ = 459362112.
The previous prime is 1378086323. The next prime is 1378086361. The reversal of 1378086348 is 8436808731.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 1378086297 and 1378086306.
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, 57420253 + ... + 57420276.
Almost surely, 21378086348 is an apocalyptic number.
It is an amenable number.
1378086348 is an abundant number, since it is smaller than the sum of its proper divisors (1837448492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1378086348 is a wasteful number, since it uses less digits than its factorization.
1378086348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114840536 (or 114840534 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 48.
The square root of 1378086348 is about 37122.5854164281. The cubic root of 1378086348 is about 1112.8214207069.
It can be divided in two parts, 13780 and 86348, that added together give a triangular number (100128 = T447).
The spelling of 1378086348 in words is "one billion, three hundred seventy-eight million, eighty-six thousand, three hundred forty-eight".
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