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12525252525254 = 271934635548677
BaseRepresentation
bin1011011001000100001100…
…1110100011110011000110
31122100101212101101000101002
42312101003032203303012
53120203204121302004
642350004354333302
72431630301553440
oct266210316436306
948311771330332
1012525252525254
113a99a25577287
1214a358988a232
136cb18448baa1
14314322921490
1516ac259a861e
hexb64433a3cc6

12525252525254 has 16 divisors (see below), whose sum is σ = 21583114644768. Its totient is φ = 5340152074752.

The previous prime is 12525252525217. The next prime is 12525252525257. The reversal of 12525252525254 is 45252525252521.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12525252525199 and 12525252525208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525252525257) 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, 2317771637 + ... + 2317777040.

It is an arithmetic number, because the mean of its divisors is an integer number (1348944665298).

Almost surely, 212525252525254 is an apocalyptic number.

12525252525254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12525252525254 is a deficient number, since it is larger than the sum of its proper divisors (9057862119514).

12525252525254 is a wasteful number, since it uses less digits than its factorization.

12525252525254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4635548879.

The product of its digits is 4000000, while the sum is 47.

Adding to 12525252525254 its reverse (45252525252521), we get a palindrome (57777777777775).

The spelling of 12525252525254 in words is "twelve trillion, five hundred twenty-five billion, two hundred fifty-two million, five hundred twenty-five thousand, two hundred fifty-four".

Divisors: 1 2 7 14 193 386 1351 2702 4635548677 9271097354 32448840739 64897681478 894660894661 1789321789322 6262626262627 12525252525254