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221220233030002 = 2131371841967531
BaseRepresentation
bin110010010011001011011001…
…011010000010100101110010
31002000021110002101211002112011
4302103023121122002211302
5212443433014123430002
62102255101100153134
764411430413062223
oct6223133132024562
91060243071732464
10221220233030002
116453aa79389378
1220989b685387aa
139658c948b56cb
143c8b18b5d124a
151a896a505c8d7
hexc932d9682972

221220233030002 has 8 divisors (see below), whose sum is σ = 331832875841712. Its totient is φ = 110609274416100.

The previous prime is 221220233029933. The next prime is 221220233030009. The reversal of 221220233030002 is 200030332022122.

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

It is not an unprimeable number, because it can be changed into a prime (221220233030009) 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, 420721024 + ... + 421246507.

It is an arithmetic number, because the mean of its divisors is an integer number (41479109480214).

Almost surely, 2221220233030002 is an apocalyptic number.

221220233030002 is a deficient number, since it is larger than the sum of its proper divisors (110612642811710).

221220233030002 is a wasteful number, since it uses less digits than its factorization.

221220233030002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842098904.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 221220233030002 its reverse (200030332022122), we get a palindrome (421250565052124).

The spelling of 221220233030002 in words is "two hundred twenty-one trillion, two hundred twenty billion, two hundred thirty-three million, thirty thousand, two".

Divisors: 1 2 131371 262742 841967531 1683935062 110610116515001 221220233030002