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30230221211021 = 1310196632280559
BaseRepresentation
bin1101101111110100001011…
…00110001100010110001101
310222000222111002112000211102
412313322011212030112031
512430242443112223041
6144143323310432445
76240030030401156
oct667720546142615
9128028432460742
1030230221211021
1196a5623856407
12348299bb02725
1313b390b8c61c0
1476721701a92d
153765564c109b
hex1b7e8598c58d

30230221211021 has 8 divisors (see below), whose sum is σ = 32555669045760. Its totient is φ = 27904779976752.

The previous prime is 30230221210967. The next prime is 30230221211041. The reversal of 30230221211021 is 12011212203203.

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 30230221211021 - 210 = 30230221209997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30230221210984 and 30230221211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230221211041) 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, 12115340 + ... + 14395898.

It is an arithmetic number, because the mean of its divisors is an integer number (4069458630720).

Almost surely, 230230221211021 is an apocalyptic number.

It is an amenable number.

30230221211021 is a deficient number, since it is larger than the sum of its proper divisors (2325447834739).

30230221211021 is a wasteful number, since it uses less digits than its factorization.

30230221211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300235.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30230221211021 its reverse (12011212203203), we get a palindrome (42241433414224).

The spelling of 30230221211021 in words is "thirty trillion, two hundred thirty billion, two hundred twenty-one million, two hundred eleven thousand, twenty-one".

Divisors: 1 13 1019663 2280559 13255619 29647267 2325401631617 30230221211021