Base | Representation |
---|---|
bin | 100111101001001… |
… | …1000101111001100 |
3 | 10102201001011202200 |
4 | 1033102120233030 |
5 | 10211014014410 |
6 | 335555121500 |
7 | 44651453235 |
oct | 11722305714 |
9 | 3381034680 |
10 | 1330219980 |
11 | 622968a61 |
12 | 3115a3290 |
13 | 18278911b |
14 | c894a08c |
15 | 7bbae3c0 |
hex | 4f498bcc |
1330219980 has 36 divisors (see below), whose sum is σ = 4035001152. Its totient is φ = 354725280.
The previous prime is 1330219909. The next prime is 1330219987. The reversal of 1330219980 is 899120331.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (1330219987) 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, 3694876 + ... + 3695235.
Almost surely, 21330219980 is an apocalyptic number.
1330219980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1330219980 is an abundant number, since it is smaller than the sum of its proper divisors (2704781172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1330219980 is a wasteful number, since it uses less digits than its factorization.
1330219980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7390126 (or 7390121 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 36.
The square root of 1330219980 is about 36472.1809054518. The cubic root of 1330219980 is about 1099.7850764672.
The spelling of 1330219980 in words is "one billion, three hundred thirty million, two hundred nineteen thousand, nine hundred eighty".
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