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30002331221023 = 7109259311516391
BaseRepresentation
bin1101101001001011101100…
…10010110111110000011111
310221020012021001022001112111
412310211312102313300133
512413024233243033043
6143450514121214451
76214411510423030
oct664456622676037
9127205231261474
1030002331221023
119617a0a8a69a7
1234467a0031427
1313982913c6085
1475a198c24a87
153706697b609d
hex1b49764b7c1f

30002331221023 has 16 divisors (see below), whose sum is σ = 34604308062720. Its totient is φ = 25479355269600.

The previous prime is 30002331220999. The next prime is 30002331221033. The reversal of 30002331221023 is 32012213320003.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30002331221023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30002331220985 and 30002331221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002331221033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19027158 + ... + 20543548.

It is an arithmetic number, because the mean of its divisors is an integer number (2162769253920).

Almost surely, 230002331221023 is an apocalyptic number.

30002331221023 is a deficient number, since it is larger than the sum of its proper divisors (4601976841697).

30002331221023 is a wasteful number, since it uses less digits than its factorization.

30002331221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542438.

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

Adding to 30002331221023 its reverse (32012213320003), we get a palindrome (62014544541026).

The spelling of 30002331221023 in words is "thirty trillion, two billion, three hundred thirty-one million, two hundred twenty-one thousand, twenty-three".

Divisors: 1 7 109 763 25931 181517 1516391 2826479 10614737 19785353 165286619 1157006333 39321535021 275250745147 4286047317289 30002331221023