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23023030030 = 25711132300003
BaseRepresentation
bin10101011100010001…
…111000111100001110
32012102111220002211221
4111130101320330032
5334122343430110
614324315233554
71443350345350
oct253421707416
965374802757
1023023030030
11984499a250
1245664488ba
13222ba937c0
1411859a50d0
158eb35d7da
hex55c478f0e

23023030030 has 64 divisors (see below), whose sum is σ = 55641696768. Its totient is φ = 6624005760.

The previous prime is 23023030013. The next prime is 23023030049. The reversal of 23023030030 is 3003032032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23023029986 and 23023030013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1139992 + ... + 1160011.

It is an arithmetic number, because the mean of its divisors is an integer number (869401512).

Almost surely, 223023030030 is an apocalyptic number.

23023030030 is an abundant number, since it is smaller than the sum of its proper divisors (32618666738).

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

23023030030 is a wasteful number, since it uses less digits than its factorization.

23023030030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300041.

The product of its (nonzero) digits is 324, while the sum is 16.

Adding to 23023030030 its reverse (3003032032), we get a palindrome (26026062062).

The spelling of 23023030030 in words is "twenty-three billion, twenty-three million, thirty thousand, thirty".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 130 143 154 182 286 385 455 715 770 910 1001 1430 2002 5005 10010 2300003 4600006 11500015 16100021 23000030 25300033 29900039 32200042 50600066 59800078 80500105 126500165 149500195 161000210 177100231 209300273 253000330 299000390 328900429 354200462 418600546 657800858 885501155 1046501365 1644502145 1771002310 2093002730 2302303003 3289004290 4604606006 11511515015 23023030030