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23120213303113 = 147238915702517
BaseRepresentation
bin1010100000111000110000…
…00110011101111101001001
310000212021022102021022110121
411100130120012131331021
511012300144101144423
6121101140201543241
74604244303343243
oct520343006357511
9100767272238417
1023120213303113
1174042557376a3
122714a287a4b21
13cb92c4262454
1459d04a943093
152a162316645d
hex15071819df49

23120213303113 has 4 divisors (see below), whose sum is σ = 23120230478020. Its totient is φ = 23120196128208.

The previous prime is 23120213303111. The next prime is 23120213303207. The reversal of 23120213303113 is 31130331202132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21669797736889 + 1450415566224 = 4655083^2 + 1204332^2 .

It is a cyclic number.

It is not a de Polignac number, because 23120213303113 - 21 = 23120213303111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23120213303111) 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, 6378870 + ... + 9323647.

It is an arithmetic number, because the mean of its divisors is an integer number (5780057619505).

Almost surely, 223120213303113 is an apocalyptic number.

It is an amenable number.

23120213303113 is a deficient number, since it is larger than the sum of its proper divisors (17174907).

23120213303113 is a wasteful number, since it uses less digits than its factorization.

23120213303113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17174906.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 23120213303113 its reverse (31130331202132), we get a palindrome (54250544505245).

The spelling of 23120213303113 in words is "twenty-three trillion, one hundred twenty billion, two hundred thirteen million, three hundred three thousand, one hundred thirteen".

Divisors: 1 1472389 15702517 23120213303113