Base | Representation |
---|---|
bin | 10010101010110111… |
… | …11001011101101001 |
3 | 221212112121222002111 |
4 | 21111123321131221 |
5 | 131011431424314 |
6 | 4334334202321 |
7 | 503246511442 |
oct | 112533713551 |
9 | 27775558074 |
10 | 10023311209 |
11 | 428399707a |
12 | 1b389533a1 |
13 | c3978caa2 |
14 | 6b12b02c9 |
15 | 3d9e64ec4 |
hex | 2556f9769 |
10023311209 has 8 divisors (see below), whose sum is σ = 10510985160. Its totient is φ = 9545106816.
The previous prime is 10023311201. The next prime is 10023311219. The reversal of 10023311209 is 90211332001.
It can be written as a sum of positive squares in 4 ways, for example, as 1664232025 + 8359079184 = 40795^2 + 91428^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10023311209 - 23 = 10023311201 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10023311209.
It is not an unprimeable number, because it can be changed into a prime (10023311201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2365222 + ... + 2369455.
It is an arithmetic number, because the mean of its divisors is an integer number (1313873145).
Almost surely, 210023311209 is an apocalyptic number.
It is an amenable number.
10023311209 is a deficient number, since it is larger than the sum of its proper divisors (487673951).
10023311209 is an equidigital number, since it uses as much as digits as its factorization.
10023311209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4734779.
The product of its (nonzero) digits is 324, while the sum is 22.
The spelling of 10023311209 in words is "ten billion, twenty-three million, three hundred eleven thousand, two hundred nine".
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