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20234144552 = 232838937343
BaseRepresentation
bin10010110110000011…
…001000101100101000
31221020011010001012012
4102312003020230220
5312414420111202
613143451535052
71314264251036
oct226603105450
957204101165
1020234144552
118643713316
123b0845a488
131ba60584cb
14d9d435556
157d65bc152
hex4b60c8b28

20234144552 has 16 divisors (see below), whose sum is σ = 38073085440. Its totient is φ = 10081321776.

The previous prime is 20234144551. The next prime is 20234144573. The reversal of 20234144552 is 25544143202.

It is not an unprimeable number, because it can be changed into a prime (20234144551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4466408 + ... + 4470935.

It is an arithmetic number, because the mean of its divisors is an integer number (2379567840).

Almost surely, 220234144552 is an apocalyptic number.

It is an amenable number.

20234144552 is a deficient number, since it is larger than the sum of its proper divisors (17838940888).

20234144552 is a wasteful number, since it uses less digits than its factorization.

20234144552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8937632 (or 8937628 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 20234144552 its reverse (25544143202), we get a palindrome (45778287754).

The spelling of 20234144552 in words is "twenty billion, two hundred thirty-four million, one hundred forty-four thousand, five hundred fifty-two".

Divisors: 1 2 4 8 283 566 1132 2264 8937343 17874686 35749372 71498744 2529268069 5058536138 10117072276 20234144552