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23120110321221 = 336844320916949
BaseRepresentation
bin1010100000111000100011…
…11101100111111001000101
310000212021001020111021212110
411100130101331213321011
511012244441220234341
6121101122042411233
74604241613121424
oct520342175477105
9100767036437773
1023120110321221
1174042025998a1
1227149ba200b19
13cb92a8b16614
1459d03adb72bb
152a16190c3216
hex150711f67e45

23120110321221 has 8 divisors (see below), whose sum is σ = 30826898903200. Its totient is φ = 15413364310032.

The previous prime is 23120110321213. The next prime is 23120110321223. The reversal of 23120110321221 is 12212301102132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23120110321221 - 23 = 23120110321213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120110321223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9353146 + ... + 11563803.

It is an arithmetic number, because the mean of its divisors is an integer number (3853362362900).

Almost surely, 223120110321221 is an apocalyptic number.

It is an amenable number.

23120110321221 is a deficient number, since it is larger than the sum of its proper divisors (7706788581979).

23120110321221 is a wasteful number, since it uses less digits than its factorization.

23120110321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21285395.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 23120110321221 its reverse (12212301102132), we get a palindrome (35332411423353).

The spelling of 23120110321221 in words is "twenty-three trillion, one hundred twenty billion, one hundred ten million, three hundred twenty-one thousand, two hundred twenty-one".

Divisors: 1 3 368443 1105329 20916949 62750847 7706703440407 23120110321221