Search a number
-
+
13464893021 = 431991573553
BaseRepresentation
bin11001000101001000…
…11111011001011101
31021202101120102210112
430202210133121131
5210034003034041
610104035215405
7654446462606
oct144244373135
937671512715
1013464893021
11578a643468
122739447565
1313677b4428
1491a3c2dad
1553c182deb
hex32291f65d

13464893021 has 8 divisors (see below), whose sum is σ = 13847275200. Its totient is φ = 13085658432.

The previous prime is 13464893003. The next prime is 13464893047. The reversal of 13464893021 is 12039846431.

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

It is a cyclic number.

It is not a de Polignac number, because 13464893021 - 230 = 12391151197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13464893021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13464293021) 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, 778220 + ... + 795333.

It is an arithmetic number, because the mean of its divisors is an integer number (1730909400).

Almost surely, 213464893021 is an apocalyptic number.

It is an amenable number.

13464893021 is a deficient number, since it is larger than the sum of its proper divisors (382382179).

13464893021 is a wasteful number, since it uses less digits than its factorization.

13464893021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573795.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 13464893021 in words is "thirteen billion, four hundred sixty-four million, eight hundred ninety-three thousand, twenty-one".

Divisors: 1 43 199 8557 1573553 67662779 313137047 13464893021