Search a number
-
+
12968545466 = 261894212837
BaseRepresentation
bin11000001001111110…
…00100110010111010
31020110210121100221202
430010333010302322
5203024421423331
65542504534202
7636241550312
oct140477046272
936423540852
1012968545466
115555451178
12261b181362
1312b8a0a956
148b04dc442
1550d7dbecb
hex304fc4cba

12968545466 has 32 divisors (see below), whose sum is σ = 20048426640. Its totient is φ = 6289113600.

The previous prime is 12968545451. The next prime is 12968545477. The reversal of 12968545466 is 66454586921.

12968545466 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 8 ways, for example, as 1445596441 + 11522949025 = 38021^2 + 107345^2 .

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 15 ways as a sum of consecutive naturals, for example, 4569800 + ... + 4572636.

Almost surely, 212968545466 is an apocalyptic number.

12968545466 is a deficient number, since it is larger than the sum of its proper divisors (7079881174).

12968545466 is a wasteful number, since it uses less digits than its factorization.

12968545466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410.

The product of its digits is 12441600, while the sum is 56.

The spelling of 12968545466 in words is "twelve billion, nine hundred sixty-eight million, five hundred forty-five thousand, four hundred sixty-six".

Divisors: 1 2 61 89 122 178 421 842 2837 5429 5674 10858 25681 37469 51362 74938 173057 252493 346114 504986 1194377 2285609 2388754 4571218 15402073 30804146 72856997 106299553 145713994 212599106 6484272733 12968545466