Base | Representation |
---|---|
bin | 10011000011011000… |
… | …11011010011111001 |
3 | 222101212121112221100 |
4 | 21201230123103321 |
5 | 131422104030440 |
6 | 4411002202013 |
7 | 511324550100 |
oct | 114154332371 |
9 | 28355545840 |
10 | 10228970745 |
11 | 4379a95134 |
12 | 1b957b3309 |
13 | c70279116 |
14 | 6d0727037 |
15 | 3ed03b230 |
hex | 261b1b4f9 |
10228970745 has 144 divisors (see below), whose sum is σ = 21179997072. Its totient is φ = 4551966720.
The previous prime is 10228970743. The next prime is 10228970767. The reversal of 10228970745 is 54707982201.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 5134009104 + 5094961641 = 71652^2 + 71379^2 .
It is not a de Polignac number, because 10228970745 - 21 = 10228970743 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 10228970745.
It is not an unprimeable number, because it can be changed into a prime (10228970743) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15198729 + ... + 15199401.
It is an arithmetic number, because the mean of its divisors is an integer number (147083313).
Almost surely, 210228970745 is an apocalyptic number.
10228970745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10228970745 is an abundant number, since it is smaller than the sum of its proper divisors (10951026327).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10228970745 is a wasteful number, since it uses less digits than its factorization.
10228970745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 872 (or 862 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 45.
The spelling of 10228970745 in words is "ten billion, two hundred twenty-eight million, nine hundred seventy thousand, seven hundred forty-five".
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