Base | Representation |
---|---|
bin | 100110100010010… |
… | …1101011110101010 |
3 | 10100010011021222000 |
4 | 1031010231132222 |
5 | 10122012033430 |
6 | 332151111430 |
7 | 44021000652 |
oct | 11504553652 |
9 | 3303137860 |
10 | 1293080490 |
11 | 603a01569 |
12 | 301072576 |
13 | 177b845b0 |
14 | c3a3d362 |
15 | 787c4e60 |
hex | 4d12d7aa |
1293080490 has 64 divisors (see below), whose sum is σ = 3713472000. Its totient is φ = 318295872.
The previous prime is 1293080461. The next prime is 1293080527. The reversal of 1293080490 is 940803921.
1293080490 is a `hidden beast` number, since 1 + 2 + 93 + 0 + 80 + 490 = 666.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180690 + ... + 187709.
It is an arithmetic number, because the mean of its divisors is an integer number (58023000).
Almost surely, 21293080490 is an apocalyptic number.
1293080490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1293080490 is an abundant number, since it is smaller than the sum of its proper divisors (2420391510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1293080490 is a wasteful number, since it uses less digits than its factorization.
1293080490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 368428 (or 368422 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 1293080490 is about 35959.4283881154. The cubic root of 1293080490 is about 1089.4530516328.
The spelling of 1293080490 in words is "one billion, two hundred ninety-three million, eighty thousand, four hundred ninety".
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