Search a number
-
+
30200203002221 = 74314314714603
BaseRepresentation
bin1101101110111100010000…
…10111110100000101101101
310221221010000001222000200022
412313132020113310011231
512424300003432032341
6144121440504211525
76234615120003350
oct667361027640555
9127833001860608
1030200203002221
11969391a30588a
123479002a69ba5
1313b0b36827085
147659aa3d2297
1537589ae9be4b
hex1b77885f416d

30200203002221 has 4 divisors (see below), whose sum is σ = 34514517716832. Its totient is φ = 25885888287612.

The previous prime is 30200203002107. The next prime is 30200203002227. The reversal of 30200203002221 is 12220030200203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30200203002221 - 210 = 30200203001197 is a prime.

It is a super-3 number, since 3×302002030022213 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 30200203002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30200203002227) 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, 2157157357295 + ... + 2157157357308.

It is an arithmetic number, because the mean of its divisors is an integer number (8628629429208).

Almost surely, 230200203002221 is an apocalyptic number.

It is an amenable number.

30200203002221 is a deficient number, since it is larger than the sum of its proper divisors (4314314714611).

30200203002221 is an equidigital number, since it uses as much as digits as its factorization.

30200203002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314314714610.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30200203002221 its reverse (12220030200203), we get a palindrome (42420233202424).

The spelling of 30200203002221 in words is "thirty trillion, two hundred billion, two hundred three million, two thousand, two hundred twenty-one".

Divisors: 1 7 4314314714603 30200203002221