Search a number
-
+
2331117061 = 713172137647
BaseRepresentation
bin1000101011110010…
…0000011000000101
320000110102000102221
42022330200120011
514233231221221
61023151532341
7111524111440
oct21274403005
96013360387
102331117061
11a96944829
1255082a0b1
132b1c4b710
1418184c657
15d99bb541
hex8af20605

2331117061 has 48 divisors (see below), whose sum is σ = 3074754816. Its totient is φ = 1720571904.

The previous prime is 2331117059. The next prime is 2331117077. The reversal of 2331117061 is 1607111332.

It is not a de Polignac number, because 2331117061 - 21 = 2331117059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331117461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3602640 + ... + 3603286.

It is an arithmetic number, because the mean of its divisors is an integer number (64057392).

Almost surely, 22331117061 is an apocalyptic number.

It is an amenable number.

2331117061 is a deficient number, since it is larger than the sum of its proper divisors (743637755).

2331117061 is a wasteful number, since it uses less digits than its factorization.

2331117061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 2331117061 is about 48281.6431058430. The cubic root of 2331117061 is about 1325.9323327293.

Adding to 2331117061 its reverse (1607111332), we get a palindrome (3938228393).

The spelling of 2331117061 in words is "two billion, three hundred thirty-one million, one hundred seventeen thousand, sixty-one".

Divisors: 1 7 13 17 91 119 137 221 289 647 959 1547 1781 2023 2329 3757 4529 8411 10999 12467 16303 26299 30277 39593 58877 76993 88639 142987 186983 211939 277151 514709 620473 1000909 1152307 1308881 1506863 2430779 3602963 8066149 10548041 17015453 19589219 25616671 137124533 179316697 333016723 2331117061