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103221321321 = 3152592254873
BaseRepresentation
bin110000000100001111…
…0000101111001101001
3100212102200010102100210
41200020132011321221
53142344124240241
6115230315051333
710312630516566
oct1401036057151
9325380112323
10103221321321
113a859821528
1218008740b49
139970004c31
144dd2bd986d
152a41e4a316
hex1808785e69

103221321321 has 8 divisors (see below), whose sum is σ = 137637508960. Its totient is φ = 68809673952.

The previous prime is 103221321277. The next prime is 103221321331. The reversal of 103221321321 is 123123122301.

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

It is not a de Polignac number, because 103221321321 - 26 = 103221321257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103221321331) 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, 1081660 + ... + 1173213.

It is an arithmetic number, because the mean of its divisors is an integer number (17204688620).

Almost surely, 2103221321321 is an apocalyptic number.

It is an amenable number.

103221321321 is a deficient number, since it is larger than the sum of its proper divisors (34416187639).

103221321321 is a wasteful number, since it uses less digits than its factorization.

103221321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270135.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 103221321321 its reverse (123123122301), we get a palindrome (226344443622).

The spelling of 103221321321 in words is "one hundred three billion, two hundred twenty-one million, three hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 3 15259 45777 2254873 6764619 34407107107 103221321321