Search a number
-
+
12464790785 = 516571504501
BaseRepresentation
bin10111001101111010…
…11001110100000001
31012011200200222102222
423212331121310001
5201011441301120
65420511420425
7620613654626
oct134675316401
935150628388
1012464790785
11531705a897
1224ba524715
13123853c865
1486364a34d
154ce481525
hex2e6f59d01

12464790785 has 8 divisors (see below), whose sum is σ = 14966785896. Its totient is φ = 9965808000.

The previous prime is 12464790773. The next prime is 12464790787. The reversal of 12464790785 is 58709746421.

It can be written as a sum of positive squares in 4 ways, for example, as 2426153536 + 10038637249 = 49256^2 + 100193^2 .

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

It is not a de Polignac number, because 12464790785 - 220 = 12463742209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12464790787) 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, 743966 + ... + 760535.

It is an arithmetic number, because the mean of its divisors is an integer number (1870848237).

Almost surely, 212464790785 is an apocalyptic number.

It is an amenable number.

12464790785 is a deficient number, since it is larger than the sum of its proper divisors (2501995111).

12464790785 is a wasteful number, since it uses less digits than its factorization.

12464790785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506163.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 12464790785 in words is "twelve billion, four hundred sixty-four million, seven hundred ninety thousand, seven hundred eighty-five".

Divisors: 1 5 1657 8285 1504501 7522505 2492958157 12464790785