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2220232102321 = 15733141119437
BaseRepresentation
bin100000010011110000001…
…001010101000110110001
321212020210210101211020111
4200103300021111012301
5242334013404233241
64415543251141321
7316256264326102
oct40236011250661
97766723354214
102220232102321
1178666015aa02
122ba3672a4841
131314a037530c
14796619d43a9
153cb47768c81
hex204f02551b1

2220232102321 has 4 divisors (see below), whose sum is σ = 2220373237492. Its totient is φ = 2220090967152.

The previous prime is 2220232102313. The next prime is 2220232102339. The reversal of 2220232102321 is 1232012320222.

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 392328102321 + 1827904000000 = 626361^2 + 1352000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220232102321 - 23 = 2220232102313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220232102292 and 2220232102301.

It is not an unprimeable number, because it can be changed into a prime (2220232102381) 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, 70543986 + ... + 70575451.

It is an arithmetic number, because the mean of its divisors is an integer number (555093309373).

Almost surely, 22220232102321 is an apocalyptic number.

It is an amenable number.

2220232102321 is a deficient number, since it is larger than the sum of its proper divisors (141135171).

2220232102321 is a wasteful number, since it uses less digits than its factorization.

2220232102321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141135170.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2220232102321 its reverse (1232012320222), we get a palindrome (3452244422543).

The spelling of 2220232102321 in words is "two trillion, two hundred twenty billion, two hundred thirty-two million, one hundred two thousand, three hundred twenty-one".

Divisors: 1 15733 141119437 2220232102321