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30233122133 = 1723376134259
BaseRepresentation
bin11100001010000010…
…001101010101010101
32220000222221201211012
4130022002031111111
5443404134402013
621520000422005
72120130204134
oct341202152525
986028851735
1030233122133
111190489a155
125a39017905
132b0a7784a6
14166b3ad91b
15bbe3271a8
hex70a08d555

30233122133 has 32 divisors (see below), whose sum is σ = 34869553920. Its totient is φ = 26047042560.

The previous prime is 30233122121. The next prime is 30233122169. The reversal of 30233122133 is 33122133203.

It is a cyclic number.

It is not a de Polignac number, because 30233122133 - 210 = 30233121109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30233122099 and 30233122108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30233122433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 865358 + ... + 899616.

It is an arithmetic number, because the mean of its divisors is an integer number (1089673560).

Almost surely, 230233122133 is an apocalyptic number.

It is an amenable number.

30233122133 is a deficient number, since it is larger than the sum of its proper divisors (4636431787).

30233122133 is a wasteful number, since it uses less digits than its factorization.

30233122133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34397.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30233122133 its reverse (33122133203), we get a palindrome (63355255336).

The spelling of 30233122133 in words is "thirty billion, two hundred thirty-three million, one hundred twenty-two thousand, one hundred thirty-three".

Divisors: 1 17 23 37 61 391 629 851 1037 1403 2257 14467 23851 34259 38369 51911 582403 787957 882487 1267583 2089799 13395269 21548911 29154409 35526583 48065377 77322563 495624953 817111409 1314483571 1778418949 30233122133