Search a number
-
+
679312012 = 227322910159
BaseRepresentation
bin101000011111010…
…111101010001100
31202100020121220011
4220133113222030
52342400441022
6151224003004
722556025331
oct5037275214
91670217804
10679312012
113194aa195
1216b600464
13aa977a92
1466310988
153e987977
hex287d7a8c

679312012 has 24 divisors (see below), whose sum is σ = 1210462400. Its totient is φ = 333507456.

The previous prime is 679311973. The next prime is 679312031. The reversal of 679312012 is 210213976.

It is a super-2 number, since 2×6793120122 = 922929619294976288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61789 + ... + 71947.

Almost surely, 2679312012 is an apocalyptic number.

It is an amenable number.

679312012 is a deficient number, since it is larger than the sum of its proper divisors (531150388).

679312012 is a wasteful number, since it uses less digits than its factorization.

679312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10465 (or 10463 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 679312012 is about 26063.6147147705. The cubic root of 679312012 is about 879.0692690598.

Adding to 679312012 its reverse (210213976), we get a palindrome (889525988).

The spelling of 679312012 in words is "six hundred seventy-nine million, three hundred twelve thousand, twelve".

Divisors: 1 2 4 73 146 229 292 458 916 10159 16717 20318 33434 40636 66868 741607 1483214 2326411 2966428 4652822 9305644 169828003 339656006 679312012