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12630003146 = 297261724877
BaseRepresentation
bin10111100001100111…
…01000110111001010
31012121012120122012022
423300303220313022
5201331240100041
65445132444442
7624661153415
oct136063506712
935535518168
1012630003146
1153a1342332
122545919722
131263836957
1487b574b7c
154ddc1824b
hex2f0ce8dca

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".

Divisors: 1 2 97 194 2617 5234 24877 49754 253849 507698 2413069 4826138 65103109 130206218 6315001573 12630003146