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25025425246042 = 213962516355617
BaseRepresentation
bin1011011000010101011111…
…00101010000011101011010
310021121101222220122221210021
411230022233211100131122
511240004032330333132
6125120304401541054
75162012236555564
oct554125745203532
9107541886587707
1025025425246042
117a7925015a231
12298211834478a
1310c6b6ca21c90
14627346644334
152d5e7e778997
hex16c2af95075a

25025425246042 has 8 divisors (see below), whose sum is σ = 40425686935956. Its totient is φ = 11550196267392.

The previous prime is 25025425246039. The next prime is 25025425246067. The reversal of 25025425246042 is 24064252452052.

It can be written as a sum of positive squares in 2 ways, for example, as 24908174474481 + 117250771561 = 4990809^2 + 342419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25025425246042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481258177783 + ... + 481258177834.

Almost surely, 225025425246042 is an apocalyptic number.

25025425246042 is a deficient number, since it is larger than the sum of its proper divisors (15400261689914).

25025425246042 is a wasteful number, since it uses less digits than its factorization.

25025425246042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962516355632.

The product of its (nonzero) digits is 1536000, while the sum is 43.

Adding to 25025425246042 its reverse (24064252452052), we get a palindrome (49089677698094).

The spelling of 25025425246042 in words is "twenty-five trillion, twenty-five billion, four hundred twenty-five million, two hundred forty-six thousand, forty-two".

Divisors: 1 2 13 26 962516355617 1925032711234 12512712623021 25025425246042