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23220103120021 = 101339133585749
BaseRepresentation
bin1010100011110010110011…
…11111111000010010010101
310001012211010220120202221001
411101321121333320102111
511020414232344320041
6121215100151223301
74614411541645243
oct521713177702225
9101184126522831
1023220103120021
117442654956595
122730265677b31
13cc5852ca43a2
145a3c050c1793
152a401c889131
hex151e59ff8495

23220103120021 has 8 divisors (see below), whose sum is σ = 23243658867000. Its totient is φ = 23196548624832.

The previous prime is 23220103120009. The next prime is 23220103120087. The reversal of 23220103120021 is 12002130102232.

It can be written as a sum of positive squares in 4 ways, for example, as 2926528704100 + 20293574415921 = 1710710^2 + 4504839^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23220103120021 - 217 = 23220102988949 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 (23220103120091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39348855 + ... + 39934603.

It is an arithmetic number, because the mean of its divisors is an integer number (2905457358375).

Almost surely, 223220103120021 is an apocalyptic number.

It is an amenable number.

23220103120021 is a deficient number, since it is larger than the sum of its proper divisors (23555746979).

23220103120021 is a wasteful number, since it uses less digits than its factorization.

23220103120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625895.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23220103120021 its reverse (12002130102232), we get a palindrome (35222233222253).

The spelling of 23220103120021 in words is "twenty-three trillion, two hundred twenty billion, one hundred three million, one hundred twenty thousand, twenty-one".

Divisors: 1 1013 39133 585749 39641729 593363737 22922115617 23220103120021