Base | Representation |
---|---|
bin | 1011010110011101000… |
… | …10110011110000110010 |
3 | 1101021200121221000220102 |
4 | 11223032202303300302 |
5 | 22342221121204200 |
6 | 455100312512402 |
7 | 40114603515200 |
oct | 5531642636062 |
9 | 1337617830812 |
10 | 390012288050 |
11 | 140448850600 |
12 | 637063ab702 |
13 | 2aa16364008 |
14 | 14c3b91c070 |
15 | a229b666d5 |
hex | 5ace8b3c32 |
390012288050 has 486 divisors, whose sum is σ = 985037560983. Its totient is φ = 114461424000.
The previous prime is 390012288047. The next prime is 390012288077. The reversal of 390012288050 is 50882210093.
It can be written as a sum of positive squares in 5 ways, for example, as 309326181241 + 80686106809 = 556171^2 + 284053^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=441595.
It is a junction number, because it is equal to n+sod(n) for n = 390012287995 and 390012288013.
It is an unprimeable number.
It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 10540872632 + ... + 10540872668.
Almost surely, 2390012288050 is an apocalyptic number.
390012288050 is an abundant number, since it is smaller than the sum of its proper divisors (595025272933).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390012288050 is a wasteful number, since it uses less digits than its factorization.
390012288050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184 (or 93 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 38.
The spelling of 390012288050 in words is "three hundred ninety billion, twelve million, two hundred eighty-eight thousand, fifty".
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