Base | Representation |
---|---|
bin | 100110010011101… |
… | …1111110000000011 |
3 | 10022120202012121022 |
4 | 1030213133300003 |
5 | 10113032001313 |
6 | 331315020055 |
7 | 43565623151 |
oct | 11447376003 |
9 | 3276665538 |
10 | 1285422083 |
11 | 5aa650700 |
12 | 2ba59a62b |
13 | 1764027aa |
14 | c2a083d1 |
15 | 77cb0c08 |
hex | 4c9dfc03 |
1285422083 has 12 divisors (see below), whose sum is σ = 1416513840. Its totient is φ = 1165578480.
The previous prime is 1285422043. The next prime is 1285422107. The reversal of 1285422083 is 3802245821.
It is not a de Polignac number, because 1285422083 - 216 = 1285356547 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1285422043) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34658 + ... + 61416.
It is an arithmetic number, because the mean of its divisors is an integer number (118042820).
Almost surely, 21285422083 is an apocalyptic number.
1285422083 is a deficient number, since it is larger than the sum of its proper divisors (131091757).
1285422083 is a wasteful number, since it uses less digits than its factorization.
1285422083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27178 (or 27167 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 35.
The square root of 1285422083 is about 35852.7834763216. The cubic root of 1285422083 is about 1087.2979908922.
The spelling of 1285422083 in words is "one billion, two hundred eighty-five million, four hundred twenty-two thousand, eighty-three".
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