Base | Representation |
---|---|
bin | 111110100001101… |
… | …100100100001000 |
3 | 2201002220202211210 |
4 | 332201230210020 |
5 | 4122022130210 |
6 | 252032053120 |
7 | 34665346221 |
oct | 7641544410 |
9 | 2632822753 |
10 | 1049020680 |
11 | 499165844 |
12 | 2533941a0 |
13 | 1394418c6 |
14 | 9d46c248 |
15 | 62165e20 |
hex | 3e86c908 |
1049020680 has 32 divisors (see below), whose sum is σ = 3147062400. Its totient is φ = 279738816.
The previous prime is 1049020667. The next prime is 1049020681. The reversal of 1049020680 is 860209401.
It is a super-2 number, since 2×10490206802 = 2200888774135324800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (1049020681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4370800 + ... + 4371039.
It is an arithmetic number, because the mean of its divisors is an integer number (98345700).
Almost surely, 21049020680 is an apocalyptic number.
1049020680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1049020680 is an abundant number, since it is smaller than the sum of its proper divisors (2098041720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1049020680 is a wasteful number, since it uses less digits than its factorization.
1049020680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8741853 (or 8741849 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 1049020680 is about 32388.5887312183. The cubic root of 1049020680 is about 1016.0802657359.
The spelling of 1049020680 in words is "one billion, forty-nine million, twenty thousand, six hundred eighty".
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