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30220331032021 = 137193233158343
BaseRepresentation
bin1101101111100001110000…
…00110001001110111010101
310222000000221211101212210111
412313300320012021313111
512430112214221011041
6144135010045523021
76236226655304104
oct667607006116725
9128000854355714
1030220331032021
1196a1409030559
123480a9b873471
1313b29c38aa790
147669596c403b
153761780a7981
hex1b7c38189dd5

30220331032021 has 8 divisors (see below), whose sum is σ = 32590236107520. Its totient is φ = 27856892274672.

The previous prime is 30220331032007. The next prime is 30220331032069. The reversal of 30220331032021 is 12023013302203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30220331032021 - 29 = 30220331031509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30220331031983 and 30220331032001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220331032721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616569825 + ... + 1616588518.

It is an arithmetic number, because the mean of its divisors is an integer number (4073779513440).

Almost surely, 230220331032021 is an apocalyptic number.

It is an amenable number.

30220331032021 is a deficient number, since it is larger than the sum of its proper divisors (2369905075499).

30220331032021 is a wasteful number, since it uses less digits than its factorization.

30220331032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233159075.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30220331032021 its reverse (12023013302203), we get a palindrome (42243344334224).

The spelling of 30220331032021 in words is "thirty trillion, two hundred twenty billion, three hundred thirty-one million, thirty-two thousand, twenty-one".

Divisors: 1 13 719 9347 3233158343 42031058459 2324640848617 30220331032021