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30012200013113 = 187931596988241
BaseRepresentation
bin1101101001011110000101…
…00001010100110100111001
310221021010201211011122020122
412310233002201110310321
512413204441200404423
6143455225255503025
76215211202653443
oct664570241246471
9127233654148218
1030012200013113
11962111454451a
123448695087a75
1313991a4b64016
1475a853791493
15370a45da78c8
hex1b4bc2854d39

30012200013113 has 4 divisors (see below), whose sum is σ = 30013797020148. Its totient is φ = 30010603006080.

The previous prime is 30012200013091. The next prime is 30012200013127. The reversal of 30012200013113 is 31131000221003.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23273648572729 + 6738551440384 = 4824277^2 + 2595872^2 .

It is a cyclic number.

It is not a de Polignac number, because 30012200013113 - 212 = 30012200009017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30012200013091 and 30012200013100.

It is not an unprimeable number, because it can be changed into a prime (30012200013713) 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, 798475328 + ... + 798512913.

It is an arithmetic number, because the mean of its divisors is an integer number (7503449255037).

Almost surely, 230012200013113 is an apocalyptic number.

It is an amenable number.

30012200013113 is a deficient number, since it is larger than the sum of its proper divisors (1597007035).

30012200013113 is a wasteful number, since it uses less digits than its factorization.

30012200013113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597007034.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30012200013113 its reverse (31131000221003), we get a palindrome (61143200234116).

The spelling of 30012200013113 in words is "thirty trillion, twelve billion, two hundred million, thirteen thousand, one hundred thirteen".

Divisors: 1 18793 1596988241 30012200013113