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30123200313211 = 163184804909897
BaseRepresentation
bin1101101100101100110101…
…01001110111011101111011
310221122202020121211010101111
412312112122221313131323
512422014303240010321
6144022223541301151
76226220661644635
oct666263251673573
9127582217733344
1030123200313211
1196641a52a2925
1234660b2a047b7
1313a67b4674875
14761d8375da55
15373890be05e1
hex1b659aa7777b

30123200313211 has 4 divisors (see below), whose sum is σ = 30308005223272. Its totient is φ = 29938395403152.

The previous prime is 30123200313161. The next prime is 30123200313257. The reversal of 30123200313211 is 11231300232103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30123200313211 - 217 = 30123200182139 is a prime.

It is a super-2 number, since 2×301232003132112 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30123200013211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92402454786 + ... + 92402455111.

It is an arithmetic number, because the mean of its divisors is an integer number (7577001305818).

Almost surely, 230123200313211 is an apocalyptic number.

30123200313211 is a deficient number, since it is larger than the sum of its proper divisors (184804910061).

30123200313211 is a wasteful number, since it uses less digits than its factorization.

30123200313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184804910060.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30123200313211 its reverse (11231300232103), we get a palindrome (41354500545314).

The spelling of 30123200313211 in words is "thirty trillion, one hundred twenty-three billion, two hundred million, three hundred thirteen thousand, two hundred eleven".

Divisors: 1 163 184804909897 30123200313211