Base | Representation |
---|---|
bin | 10010101001101001… |
… | …01001000000111101 |
3 | 221211211021010111210 |
4 | 21110310221000331 |
5 | 131001313121341 |
6 | 4333325435033 |
7 | 503063160531 |
oct | 112464510075 |
9 | 27754233453 |
10 | 10013020221 |
11 | 42790a8326 |
12 | 1b3540ba79 |
13 | c375c8949 |
14 | 6adb91bc1 |
15 | 3d90d0c16 |
hex | 254d2903d |
10013020221 has 8 divisors (see below), whose sum is σ = 13549957984. Its totient is φ = 6575714640.
The previous prime is 10013020219. The next prime is 10013020223. The reversal of 10013020221 is 12202031001.
It is an interprime number because it is at equal distance from previous prime (10013020219) and next prime (10013020223).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10013020221 - 21 = 10013020219 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10013020197 and 10013020206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10013020223) 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, 24907810 + ... + 24908211.
It is an arithmetic number, because the mean of its divisors is an integer number (1693744748).
Almost surely, 210013020221 is an apocalyptic number.
It is an amenable number.
10013020221 is a deficient number, since it is larger than the sum of its proper divisors (3536937763).
10013020221 is an equidigital number, since it uses as much as digits as its factorization.
10013020221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49816091.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 10013020221 its reverse (12202031001), we get a palindrome (22215051222).
The spelling of 10013020221 in words is "ten billion, thirteen million, twenty thousand, two hundred twenty-one".
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