Search a number
-
+
13120212032 = 26509402757
BaseRepresentation
bin11000011100000011…
…01000110001000000
31020212100222211100222
430032001220301000
5203332233241112
610005523402212
7643062651014
oct141601506100
936770884328
1013120212032
115623021544
122661b23368
131311271295
148c66dc544
1551bc9a372
hex30e068c40

13120212032 has 28 divisors (see below), whose sum is σ = 26086635660. Its totient is φ = 6547201536.

The previous prime is 13120212031. The next prime is 13120212037. The reversal of 13120212032 is 23021202131.

It can be written as a sum of positive squares in 2 ways, for example, as 4637065216 + 8483146816 = 68096^2 + 92104^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13120212032.

It is not an unprimeable number, because it can be changed into a prime (13120212031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168803 + ... + 233954.

Almost surely, 213120212032 is an apocalyptic number.

It is an amenable number.

13120212032 is a deficient number, since it is larger than the sum of its proper divisors (12966423628).

13120212032 is an equidigital number, since it uses as much as digits as its factorization.

13120212032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403278 (or 403268 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13120212032 its reverse (23021202131), we get a palindrome (36141414163).

Subtracting 13120212032 from its reverse (23021202131), we obtain a palindrome (9900990099).

The spelling of 13120212032 in words is "thirteen billion, one hundred twenty million, two hundred twelve thousand, thirty-two".

Divisors: 1 2 4 8 16 32 64 509 1018 2036 4072 8144 16288 32576 402757 805514 1611028 3222056 6444112 12888224 25776448 205003313 410006626 820013252 1640026504 3280053008 6560106016 13120212032