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20233230230 = 256977289999
BaseRepresentation
bin10010110101111111…
…101001011110010110
31221020002101120222102
4102311333221132112
5312414201331410
613143420202102
71314253422263
oct226577513626
957202346872
1020233230230
118643149384
123b08099332
131ba5ac82a5
14d9d27826a
157d648b2a5
hex4b5fe9796

20233230230 has 16 divisors (see below), whose sum is σ = 36425160000. Its totient is φ = 8092104192.

The previous prime is 20233230217. The next prime is 20233230247. The reversal of 20233230230 is 3203233202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75230 + ... + 214769.

It is an arithmetic number, because the mean of its divisors is an integer number (2276572500).

Almost surely, 220233230230 is an apocalyptic number.

20233230230 is a deficient number, since it is larger than the sum of its proper divisors (16191929770).

20233230230 is a wasteful number, since it uses less digits than its factorization.

20233230230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296983.

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 20233230230 its reverse (3203233202), we get a palindrome (23436463432).

The spelling of 20233230230 in words is "twenty billion, two hundred thirty-three million, two hundred thirty thousand, two hundred thirty".

Divisors: 1 2 5 10 6977 13954 34885 69770 289999 579998 1449995 2899990 2023323023 4046646046 10116615115 20233230230