Search a number
-
+
23003030311 = 211109019101
BaseRepresentation
bin10101011011000101…
…100110001100100111
32012101010021000101121
4111123011212030213
5334102233432221
614322322434411
71443015350212
oct253305461447
965333230347
1023003030311
11983467a158
12455b802a07
1322278b0551
14118307a779
158e970ca41
hex55b166327

23003030311 has 4 divisors (see below), whose sum is σ = 23112049624. Its totient is φ = 22894011000.

The previous prime is 23003030291. The next prime is 23003030363. The reversal of 23003030311 is 11303030032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23003030311 - 211 = 23003028263 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 (23003030111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54509340 + ... + 54509761.

It is an arithmetic number, because the mean of its divisors is an integer number (5778012406).

Almost surely, 223003030311 is an apocalyptic number.

23003030311 is a deficient number, since it is larger than the sum of its proper divisors (109019313).

23003030311 is a wasteful number, since it uses less digits than its factorization.

23003030311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109019312.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 23003030311 its reverse (11303030032), we get a palindrome (34306060343).

The spelling of 23003030311 in words is "twenty-three billion, three million, thirty thousand, three hundred eleven".

Divisors: 1 211 109019101 23003030311