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23240205125 = 53941919739
BaseRepresentation
bin10101101001001110…
…010110001101000101
32012222122112202001222
4111221032112031011
5340043443031000
614402034130125
71451625325034
oct255116261505
965878482058
1023240205125
1199465430a5
124607120945
132264a82487
1411a677871b
1591045ba85
hex569396345

23240205125 has 16 divisors (see below), whose sum is σ = 29008324800. Its totient is φ = 18589248400.

The previous prime is 23240205101. The next prime is 23240205133. The reversal of 23240205125 is 52150204232.

It is a de Polignac number, because none of the positive numbers 2k-23240205125 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23240205094 and 23240205103.

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 15 ways as a sum of consecutive naturals, for example, 1167506 + ... + 1187244.

It is an arithmetic number, because the mean of its divisors is an integer number (1813020300).

Almost surely, 223240205125 is an apocalyptic number.

23240205125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23240205125 is a deficient number, since it is larger than the sum of its proper divisors (5768119675).

23240205125 is an equidigital number, since it uses as much as digits as its factorization.

23240205125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29173 (or 29163 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 23240205125 its reverse (52150204232), we get a palindrome (75390409357).

The spelling of 23240205125 in words is "twenty-three billion, two hundred forty million, two hundred five thousand, one hundred twenty-five".

Divisors: 1 5 25 125 9419 19739 47095 98695 235475 493475 1177375 2467375 185921641 929608205 4648041025 23240205125