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30020021013313 = 31968387774623
BaseRepresentation
bin1101101001101100101001…
…01100000100101101000001
310221021212220212202121120201
412310312110230010231001
512413322000334411223
6143503001323005201
76215606051242342
oct664662454045501
9127255825677521
1030020021013313
119624468272751
12344a0b8369801
131399b502935a6
1475ad963820c9
15370d527e5ead
hex1b4d94b04b41

30020021013313 has 4 divisors (see below), whose sum is σ = 30988408787968. Its totient is φ = 29051633238660.

The previous prime is 30020021013293. The next prime is 30020021013401. The reversal of 30020021013313 is 31331012002003.

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 a de Polignac number, because none of the positive numbers 2k-30020021013313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30020021010313) 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, 484193887281 + ... + 484193887342.

It is an arithmetic number, because the mean of its divisors is an integer number (7747102196992).

Almost surely, 230020021013313 is an apocalyptic number.

It is an amenable number.

30020021013313 is a deficient number, since it is larger than the sum of its proper divisors (968387774655).

30020021013313 is an equidigital number, since it uses as much as digits as its factorization.

30020021013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968387774654.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30020021013313 its reverse (31331012002003), we get a palindrome (61351033015316).

The spelling of 30020021013313 in words is "thirty trillion, twenty billion, twenty-one million, thirteen thousand, three hundred thirteen".

Divisors: 1 31 968387774623 30020021013313