Search a number
-
+
23030312030 = 2511659931727
BaseRepresentation
bin10101011100101101…
…101010110001011110
32012110000121001212122
4111130231222301132
5334131224441110
614325135302542
71443466264565
oct253455526136
965400531778
1023030312030
119849013330
12456897aa52
13223044318b
14118693cbdc
158ebceb255
hex55cb6ac5e

23030312030 has 32 divisors (see below), whose sum is σ = 45231436800. Its totient is φ = 8373125920.

The previous prime is 23030311987. The next prime is 23030312057. The reversal of 23030312030 is 3021303032.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710027 + ... + 741753.

It is an arithmetic number, because the mean of its divisors is an integer number (1413482400).

Almost surely, 223030312030 is an apocalyptic number.

23030312030 is a deficient number, since it is larger than the sum of its proper divisors (22201124770).

23030312030 is a wasteful number, since it uses less digits than its factorization.

23030312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38344.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 23030312030 its reverse (3021303032), we get a palindrome (26051615062).

The spelling of 23030312030 in words is "twenty-three billion, thirty million, three hundred twelve thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 6599 13198 31727 32995 63454 65990 72589 145178 158635 317270 348997 362945 697994 725890 1744985 3489970 209366473 418732946 1046832365 2093664730 2303031203 4606062406 11515156015 23030312030