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12575633746 = 2132157236981
BaseRepresentation
bin10111011011001000…
…01111000101010010
31012110102021101101211
423231210033011102
5201223330234441
65435511250334
7623431060144
oct135544170522
935412241354
1012575633746
115373687845
12252b6799aa
1312554ab800
14874260c94
154d9078a81
hex2ed90f152

12575633746 has 24 divisors (see below), whose sum is σ = 20556292644. Its totient is φ = 5767145280.

The previous prime is 12575633717. The next prime is 12575633761. The reversal of 12575633746 is 64733657521.

12575633746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 22896225 + 12552737521 = 4785^2 + 112039^2 .

It is a super-2 number, since 2×125756337462 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12575633746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65425 + ... + 171556.

Almost surely, 212575633746 is an apocalyptic number.

12575633746 is a deficient number, since it is larger than the sum of its proper divisors (7980658898).

12575633746 is a wasteful number, since it uses less digits than its factorization.

12575633746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237166 (or 237153 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 49.

The spelling of 12575633746 in words is "twelve billion, five hundred seventy-five million, six hundred thirty-three thousand, seven hundred forty-six".

Divisors: 1 2 13 26 157 169 314 338 2041 4082 26533 53066 236981 473962 3080753 6161506 37206017 40049789 74412034 80099578 483678221 967356442 6287816873 12575633746