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102030330221 = 298342389003
BaseRepresentation
bin101111100000101111…
…0110100100101101101
3100202100200001210201022
41133001132310211231
53132424231031341
6114512212023525
710241256332411
oct1370136644555
9322320053638
10102030330221
113a2a8509266
1217935901ba5
139810346181
144d1c972d41
1529c25dde4b
hex17c17b496d

102030330221 has 8 divisors (see below), whose sum is σ = 106820290080. Its totient is φ = 97325148592.

The previous prime is 102030330217. The next prime is 102030330223. The reversal of 102030330221 is 122033030201.

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 102030330221 - 22 = 102030330217 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 102030330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102030330223) 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, 21192095 + ... + 21196908.

It is an arithmetic number, because the mean of its divisors is an integer number (13352536260).

Almost surely, 2102030330221 is an apocalyptic number.

It is an amenable number.

102030330221 is a deficient number, since it is larger than the sum of its proper divisors (4789959859).

102030330221 is an equidigital number, since it uses as much as digits as its factorization.

102030330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42389115.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 102030330221 its reverse (122033030201), we get a palindrome (224063360422).

The spelling of 102030330221 in words is "one hundred two billion, thirty million, three hundred thirty thousand, two hundred twenty-one".

Divisors: 1 29 83 2407 42389003 1229281087 3518287249 102030330221