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23124452105221 = 371531964942307
BaseRepresentation
bin1010100001000000101001…
…10000001101110000000101
310000212200020211022202211021
411100200110300031300011
511012332334214331341
6121103120542111141
74604454323513005
oct520402460156005
9100780224282737
1023124452105221
1174060303a6435
12271581027b4b1
13cb981b4a568c
1459d32d89a005
152a17c035c9d1
hex150814c0dc05

23124452105221 has 16 divisors (see below), whose sum is σ = 23767974395200. Its totient is φ = 22481909303040.

The previous prime is 23124452105201. The next prime is 23124452105233. The reversal of 23124452105221 is 12250125442132.

It is a cyclic number.

It is not a de Polignac number, because 23124452105221 - 25 = 23124452105189 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 (23124452105201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546565750 + ... + 546608056.

It is an arithmetic number, because the mean of its divisors is an integer number (1485498399700).

Almost surely, 223124452105221 is an apocalyptic number.

It is an amenable number.

23124452105221 is a deficient number, since it is larger than the sum of its proper divisors (643522289979).

23124452105221 is a wasteful number, since it uses less digits than its factorization.

23124452105221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53524.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 23124452105221 its reverse (12250125442132), we get a palindrome (35374577547353).

The spelling of 23124452105221 in words is "twenty-three trillion, one hundred twenty-four billion, four hundred fifty-two million, one hundred five thousand, two hundred twenty-one".

Divisors: 1 37 1531 9649 42307 56647 357013 1565359 14772619 64772017 408220243 546586903 2396564629 15104148991 624985192033 23124452105221