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230320031320 = 23513814169443
BaseRepresentation
bin1101011010000000100…
…1001100011001011000
3211000111101202212022101
43112200021030121120
512233143412000240
6253450233333144
722432354651531
oct3264011143130
9730441685271
10230320031320
1189750720525
12387798671b4
1318946aa6802
14b20cc35688
155ed021739a
hex35a024c658

230320031320 has 32 divisors (see below), whose sum is σ = 518595444720. Its totient is φ = 92061279360.

The previous prime is 230320031297. The next prime is 230320031339. The reversal of 230320031320 is 23130023032.

It is a happy number.

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, 2029482 + ... + 2139961.

Almost surely, 2230320031320 is an apocalyptic number.

230320031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230320031320 is an abundant number, since it is smaller than the sum of its proper divisors (288275413400).

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

230320031320 is a wasteful number, since it uses less digits than its factorization.

230320031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170835 (or 4170831 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 230320031320 its reverse (23130023032), we get a palindrome (253450054352).

The spelling of 230320031320 in words is "two hundred thirty billion, three hundred twenty million, thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1381 2762 5524 6905 11048 13810 27620 55240 4169443 8338886 16677772 20847215 33355544 41694430 83388860 166777720 5758000783 11516001566 23032003132 28790003915 46064006264 57580007830 115160015660 230320031320