Search a number
-
+
23015440313 = 401193129723
BaseRepresentation
bin10101011011110100…
…111011111110111001
32012101222121111201022
4111123310323332321
5334113423042223
614323444432225
71443226005035
oct253364737671
965358544638
1023015440313
119840685a58
1245639a8675
13222a337048
14118498b1c5
158ea85eac8
hex55bd3bfb9

23015440313 has 8 divisors (see below), whose sum is σ = 23085560736. Its totient is φ = 22945384000.

The previous prime is 23015440307. The next prime is 23015440369. The reversal of 23015440313 is 31304451032.

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 23015440313 - 26 = 23015440249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23015440913) 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, 759470 + ... + 789192.

It is an arithmetic number, because the mean of its divisors is an integer number (2885695092).

Almost surely, 223015440313 is an apocalyptic number.

It is an amenable number.

23015440313 is a deficient number, since it is larger than the sum of its proper divisors (70120423).

23015440313 is a wasteful number, since it uses less digits than its factorization.

23015440313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32055.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 23015440313 its reverse (31304451032), we get a palindrome (54319891345).

The spelling of 23015440313 in words is "twenty-three billion, fifteen million, four hundred forty thousand, three hundred thirteen".

Divisors: 1 401 1931 29723 774331 11918923 57395113 23015440313