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30021202121113 = 74288743160159
BaseRepresentation
bin1101101001101110110110…
…00101101001000110011001
310221021222222012020002220001
412310313123011221012121
512413331410220333423
6143503314434133001
76215650242424330
oct664673305510631
9127258865202801
1030021202121113
119624a13a454a5
12344a387a21161
131399caaba1948
1475b069194d17
15370dc134dcad
hex1b4ddb169199

30021202121113 has 4 divisors (see below), whose sum is σ = 34309945281280. Its totient is φ = 25732458960948.

The previous prime is 30021202121083. The next prime is 30021202121129. The reversal of 30021202121113 is 31112120212003.

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 30021202121113 - 25 = 30021202121081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30021202121153) 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, 2144371580073 + ... + 2144371580086.

It is an arithmetic number, because the mean of its divisors is an integer number (8577486320320).

Almost surely, 230021202121113 is an apocalyptic number.

It is an amenable number.

30021202121113 is a deficient number, since it is larger than the sum of its proper divisors (4288743160167).

30021202121113 is an equidigital number, since it uses as much as digits as its factorization.

30021202121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288743160166.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 30021202121113 its reverse (31112120212003), we get a palindrome (61133322333116).

The spelling of 30021202121113 in words is "thirty trillion, twenty-one billion, two hundred two million, one hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 7 4288743160159 30021202121113