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220103120321 = 7131240025213
BaseRepresentation
bin1100110011111100101…
…0110001010111000001
3210001010100212000020022
43030333022301113001
512101232344322241
6245040341423225
721621234440150
oct3147712612701
9701110760208
10220103120321
1185388523027
12367a810ab15
13179a9190946
14a91dd6b597
155ad32ae54b
hex333f2b15c1

220103120321 has 8 divisors (see below), whose sum is σ = 253466625984. Its totient is φ = 187219665360.

The previous prime is 220103120287. The next prime is 220103120329. The reversal of 220103120321 is 123021301022.

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

It is not a de Polignac number, because 220103120321 - 230 = 219029378497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220103120321.

It is not an unprimeable number, because it can be changed into a prime (220103120329) 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, 120011690 + ... + 120013523.

It is an arithmetic number, because the mean of its divisors is an integer number (31683328248).

Almost surely, 2220103120321 is an apocalyptic number.

It is an amenable number.

220103120321 is a deficient number, since it is larger than the sum of its proper divisors (33363505663).

220103120321 is a wasteful number, since it uses less digits than its factorization.

220103120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240025351.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 220103120321 its reverse (123021301022), we get a palindrome (343124421343).

The spelling of 220103120321 in words is "two hundred twenty billion, one hundred three million, one hundred twenty thousand, three hundred twenty-one".

Divisors: 1 7 131 917 240025213 1680176491 31443302903 220103120321