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12465525206 = 219557588941
BaseRepresentation
bin10111001110000000…
…01101000111010110
31012011202002021212202
423213000031013112
5201012133301311
65420535244502
7620623134041
oct134700150726
935152067782
1012465525206
115317511652
1224ba819732
131238738c24
1486379bc58
154ce578e3b
hex2e700d1d6

12465525206 has 16 divisors (see below), whose sum is σ = 19717778160. Its totient is φ = 5894111520.

The previous prime is 12465525203. The next prime is 12465525223. The reversal of 12465525206 is 60252556421.

It is a happy number.

It is a super-2 number, since 2×124655252062 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 12465525206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12465525203) 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, 273305 + ... + 315636.

It is an arithmetic number, because the mean of its divisors is an integer number (1232361135).

Almost surely, 212465525206 is an apocalyptic number.

12465525206 is a deficient number, since it is larger than the sum of its proper divisors (7252252954).

12465525206 is a wasteful number, since it uses less digits than its factorization.

12465525206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589519.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 12465525206 in words is "twelve billion, four hundred sixty-five million, five hundred twenty-five thousand, two hundred six".

Divisors: 1 2 19 38 557 1114 10583 21166 588941 1177882 11189879 22379758 328040137 656080274 6232762603 12465525206