Search a number
-
+
2012933461 = 711672411619
BaseRepresentation
bin111011111111010…
…1110110101010101
312012021200121121011
41313332232311111
513110302332321
6531424052221
7100611436450
oct16776566525
95167617534
102012933461
11943280780
12482164071
132610551b6
141514a4497
15bbab9ae1
hex77faed55

2012933461 has 32 divisors (see below), whose sum is σ = 2559237120. Its totient is φ = 1537747200.

The previous prime is 2012933453. The next prime is 2012933479. The reversal of 2012933461 is 1643392102.

It is not a de Polignac number, because 2012933461 - 23 = 2012933453 is a prime.

It is a super-2 number, since 2×20129334612 = 8103802236826877042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012933441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1242510 + ... + 1244128.

It is an arithmetic number, because the mean of its divisors is an integer number (79976160).

Almost surely, 22012933461 is an apocalyptic number.

It is an amenable number.

2012933461 is a deficient number, since it is larger than the sum of its proper divisors (546303659).

2012933461 is a wasteful number, since it uses less digits than its factorization.

2012933461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2012933461 is about 44865.7270196305. The cubic root of 2012933461 is about 1262.6310732261.

The spelling of 2012933461 in words is "two billion, twelve million, nine hundred thirty-three thousand, four hundred sixty-one".

Divisors: 1 7 11 67 77 241 469 737 1619 1687 2651 5159 11333 16147 17809 18557 108473 113029 124663 177617 390179 759311 1193203 1243319 2731253 4291969 8352421 26141993 30043783 182993951 287561923 2012933461