Base | Representation |
---|---|
bin | 10111011011010101… |
… | …01000100111100111 |
3 | 1012110112102121110000 |
4 | 23231222220213213 |
5 | 201224242424312 |
6 | 5440011232343 |
7 | 623451244536 |
oct | 135552504747 |
9 | 35415377400 |
10 | 12577311207 |
11 | 537462307a |
12 | 25301486b3 |
13 | 12559481a6 |
14 | 87457a31d |
15 | 4d92aaadc |
hex | 2edaa89e7 |
12577311207 has 40 divisors (see below), whose sum is σ = 18996324336. Its totient is φ = 8292388608.
The previous prime is 12577311203. The next prime is 12577311211. The reversal of 12577311207 is 70211377521.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (12577311203) and next prime (12577311211).
It is not a de Polignac number, because 12577311207 - 22 = 12577311203 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12577311203) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5096988 + ... + 5099454.
Almost surely, 212577311207 is an apocalyptic number.
12577311207 is a deficient number, since it is larger than the sum of its proper divisors (6419013129).
12577311207 is a wasteful number, since it uses less digits than its factorization.
12577311207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3149 (or 3140 counting only the distinct ones).
The product of its (nonzero) digits is 20580, while the sum is 36.
Adding to 12577311207 its reverse (70211377521), we get a palindrome (82788688728).
The spelling of 12577311207 in words is "twelve billion, five hundred seventy-seven million, three hundred eleven thousand, two hundred seven".
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