Search a number
-
+
1301040023 = 31831094639
BaseRepresentation
bin100110110001100…
…0100101110010111
310100200010200101112
41031203010232113
510131031240043
6333033445235
744145441413
oct11543045627
93320120345
101301040023
11608448698
1230387081b
1317971048a
14c4b11d43
1579348518
hex4d8c4b97

1301040023 has 16 divisors (see below), whose sum is σ = 1371955200. Its totient is φ = 1232223840.

The previous prime is 1301039989. The next prime is 1301040049. The reversal of 1301040023 is 3200401031.

It is a cyclic number.

It is not a de Polignac number, because 1301040023 - 212 = 1301035927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301040623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278138 + ... + 282776.

It is an arithmetic number, because the mean of its divisors is an integer number (85747200).

Almost surely, 21301040023 is an apocalyptic number.

1301040023 is a deficient number, since it is larger than the sum of its proper divisors (70915177).

1301040023 is a wasteful number, since it uses less digits than its factorization.

1301040023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1301040023 is about 36069.9323952790. The cubic root of 1301040023 is about 1091.6838500206.

Adding to 1301040023 its reverse (3200401031), we get a palindrome (4501441054).

The spelling of 1301040023 in words is "one billion, three hundred one million, forty thousand, twenty-three".

Divisors: 1 31 83 109 2573 3379 4639 9047 143809 280457 385037 505651 11936147 15675181 41969033 1301040023