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21330212303202 = 23111731868121589
BaseRepresentation
bin1001101100110010100111…
…01110100011000101100010
32210112011000011120222111120
410312121103232203011202
510243433233322200302
6113210544140153110
74331025355031025
oct466312356430542
983464004528446
1021330212303202
116884101849850
122485b30b38796
13bb957974755a
1453a5601171bc
1526ecab36e9bc
hex136653ba3162

21330212303202 has 32 divisors (see below), whose sum is σ = 46807654559040. Its totient is φ = 6426338262720.

The previous prime is 21330212303161. The next prime is 21330212303203. The reversal of 21330212303202 is 20230321203312.

It is not an unprimeable number, because it can be changed into a prime (21330212303203) 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, 934049377 + ... + 934072212.

It is an arithmetic number, because the mean of its divisors is an integer number (1462739204970).

Almost surely, 221330212303202 is an apocalyptic number.

21330212303202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21330212303202 is an abundant number, since it is smaller than the sum of its proper divisors (25477442255838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21330212303202 is a wasteful number, since it uses less digits than its factorization.

21330212303202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868121778.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21330212303202 its reverse (20230321203312), we get a palindrome (41560533506514).

The spelling of 21330212303202 in words is "twenty-one trillion, three hundred thirty billion, two hundred twelve million, three hundred three thousand, two hundred two".

Divisors: 1 2 3 6 11 22 33 66 173 346 519 1038 1903 3806 5709 11418 1868121589 3736243178 5604364767 11208729534 20549337479 41098674958 61648012437 123296024874 323185034897 646370069794 969555104691 1939110209382 3555035383867 7110070767734 10665106151601 21330212303202