Search a number
-
+
23030313030 = 2325349973133
BaseRepresentation
bin10101011100101101…
…101011000001000110
32012110000121010020200
4111130231223001012
5334131230004110
614325135311330
71443466300524
oct253455530106
965400533220
1023030313030
11984901405a
12456897b546
13223044377a
14118693d314
158ebceb6c0
hex55cb6b046

23030313030 has 48 divisors (see below), whose sum is σ = 59896746000. Its totient is φ = 6139577664.

The previous prime is 23030312989. The next prime is 23030313113. The reversal of 23030313030 is 3031303032.

23030313030 is a `hidden beast` number, since 230 + 303 + 130 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23030312994 and 23030313012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278344 + ... + 351476.

It is an arithmetic number, because the mean of its divisors is an integer number (1247848875).

Almost surely, 223030313030 is an apocalyptic number.

23030313030 is an abundant number, since it is smaller than the sum of its proper divisors (36866432970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23030313030 is a wasteful number, since it uses less digits than its factorization.

23030313030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76645 (or 76642 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

Adding to 23030313030 its reverse (3031303032), we get a palindrome (26061616062).

The spelling of 23030313030 in words is "twenty-three billion, thirty million, three hundred thirteen thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 3499 6998 10497 17495 20994 31491 34990 52485 62982 73133 104970 146266 157455 219399 314910 365665 438798 658197 731330 1096995 1316394 2193990 3290985 6581970 255892367 511784734 767677101 1279461835 1535354202 2303031303 2558923670 3838385505 4606062606 7676771010 11515156515 23030313030