Base | Representation |
---|---|
bin | 10111100001100111… |
… | …01000110111001010 |
3 | 1012121012120122012022 |
4 | 23300303220313022 |
5 | 201331240100041 |
6 | 5445132444442 |
7 | 624661153415 |
oct | 136063506712 |
9 | 35535518168 |
10 | 12630003146 |
11 | 53a1342332 |
12 | 2545919722 |
13 | 1263836957 |
14 | 87b574b7c |
15 | 4ddc1824b |
hex | 2f0ce8dca |
12630003146 has 16 divisors (see below), whose sum is σ = 19148397576. Its totient is φ = 6247259136.
The previous prime is 12630003143. The next prime is 12630003151. The reversal of 12630003146 is 64130003621.
It can be written as a sum of positive squares in 4 ways, for example, as 9997800121 + 2632203025 = 99989^2 + 51305^2 .
It is not an unprimeable number, because it can be changed into a prime (12630003143) 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, 495260 + ... + 520136.
Almost surely, 212630003146 is an apocalyptic number.
12630003146 is a deficient number, since it is larger than the sum of its proper divisors (6518394430).
12630003146 is a wasteful number, since it uses less digits than its factorization.
12630003146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27593.
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 12630003146 its reverse (64130003621), we get a palindrome (76760006767).
The spelling of 12630003146 in words is "twelve billion, six hundred thirty million, three thousand, one hundred forty-six".
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