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12509080336 = 24279612
BaseRepresentation
bin10111010011001100…
…10110101100010000
31012021210001010021201
423221212112230100
5201104311032321
65425133000544
7621662266654
oct135146265420
935253033251
1012509080336
11533a060225
122511323154
1312447789ac
14869498a64
154d32ce291
hex2e9996b10

12509080336 has 15 divisors (see below), whose sum is σ = 24237209973. Its totient is φ = 6254316480.

The previous prime is 12509080307. The next prime is 12509080411. The reversal of 12509080336 is 63308090521.

The square root of 12509080336 is 111844.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2920753936 + 9588326400 = 54044^2 + 97920^2 .

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 12509080295 and 12509080304.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 433396 + ... + 461356.

Almost surely, 212509080336 is an apocalyptic number.

12509080336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12509080336 is the 111844-th square number.

It is an amenable number.

12509080336 is a deficient number, since it is larger than the sum of its proper divisors (11728129637).

12509080336 is an frugal number, since it uses more digits than its factorization.

12509080336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55930 (or 27963 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 12509080336 in words is "twelve billion, five hundred nine million, eighty thousand, three hundred thirty-six".

Divisors: 1 2 4 8 16 27961 55922 111844 223688 447376 781817521 1563635042 3127270084 6254540168 12509080336