Base | Representation |
---|---|
bin | 101001001000110… |
… | …1100101110011000 |
3 | 10120012102010111220 |
4 | 1102101230232120 |
5 | 10311333340402 |
6 | 344550052040 |
7 | 46130651163 |
oct | 12221545630 |
9 | 3505363456 |
10 | 1380371352 |
11 | 649202478 |
12 | 32634a020 |
13 | 18cc983a9 |
14 | d1482ada |
15 | 812b8dbc |
hex | 5246cb98 |
1380371352 has 32 divisors (see below), whose sum is σ = 3457738800. Its totient is φ = 459215744.
The previous prime is 1380371351. The next prime is 1380371357. The reversal of 1380371352 is 2531730831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1380371351) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44283 + ... + 68714.
Almost surely, 21380371352 is an apocalyptic number.
1380371352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1380371352 is an abundant number, since it is smaller than the sum of its proper divisors (2077367448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1380371352 is a wasteful number, since it uses less digits than its factorization.
1380371352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113515 (or 113511 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 1380371352 is about 37153.3491357105. The cubic root of 1380371352 is about 1113.4361372155.
The spelling of 1380371352 in words is "one billion, three hundred eighty million, three hundred seventy-one thousand, three hundred fifty-two".
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