Search a number
-
+
2601231421 = 1731149157211
BaseRepresentation
bin1001101100001011…
…1010010000111101
320201021200020200111
42123002322100331
520311403401141
61110041230021
7121314050035
oct23302722075
96637606614
102601231421
111115366738
12607192311
13325bb45b9
141a96828c5
15103575381
hex9b0ba43d

2601231421 has 32 divisors (see below), whose sum is σ = 2894054400. Its totient is φ = 2327270400.

The previous prime is 2601231397. The next prime is 2601231427. The reversal of 2601231421 is 1241321062.

2601231421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2601231421 - 215 = 2601198653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2601231392 and 2601231401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601231427) 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, 12328006 + ... + 12328216.

It is an arithmetic number, because the mean of its divisors is an integer number (90439200).

Almost surely, 22601231421 is an apocalyptic number.

It is an amenable number.

2601231421 is a deficient number, since it is larger than the sum of its proper divisors (292822979).

2601231421 is a wasteful number, since it uses less digits than its factorization.

2601231421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2601231421 is about 51002.2687828689. The cubic root of 2601231421 is about 1375.2859211027.

Adding to 2601231421 its reverse (1241321062), we get a palindrome (3842552483).

The spelling of 2601231421 in words is "two billion, six hundred one million, two hundred thirty-one thousand, four hundred twenty-one".

Divisors: 1 17 31 149 157 211 527 2533 2669 3587 4619 4867 6541 23393 31439 33127 78523 82739 111197 397681 534463 563159 725183 974609 1026937 4935923 12328111 16568353 17457929 83910691 153013613 2601231421