Search a number
-
+
3012206431 = 132310074269
BaseRepresentation
bin1011001110001010…
…1001111101011111
321202220222221102011
42303202221331133
522132111101211
61214522012051
7134434221643
oct26342517537
97686887364
103012206431
111306348303
12700947027
13390099490
142080a2c23
151296a5921
hexb38a9f5f

3012206431 has 8 divisors (see below), whose sum is σ = 3384954720. Its totient is φ = 2659606752.

The previous prime is 3012206429. The next prime is 3012206443. The reversal of 3012206431 is 1346022103.

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 3012206431 - 21 = 3012206429 is a prime.

It is a super-2 number, since 2×30122064312 = 18146775165915515522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012206411) 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, 5036836 + ... + 5037433.

It is an arithmetic number, because the mean of its divisors is an integer number (423119340).

Almost surely, 23012206431 is an apocalyptic number.

3012206431 is a deficient number, since it is larger than the sum of its proper divisors (372748289).

3012206431 is a wasteful number, since it uses less digits than its factorization.

3012206431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10074305.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3012206431 is about 54883.5715947860. The cubic root of 3012206431 is about 1444.2030033003.

Adding to 3012206431 its reverse (1346022103), we get a palindrome (4358228534).

The spelling of 3012206431 in words is "three billion, twelve million, two hundred six thousand, four hundred thirty-one".

Divisors: 1 13 23 299 10074269 130965497 231708187 3012206431