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21302331122 = 290271117991
BaseRepresentation
bin10011110101101101…
…111100011011110010
32000222121002112200202
4103311231330123302
5322111344043442
613441450515202
71352614553432
oct236555743362
960877075622
1021302331122
119041679736
124166135b02
13201644a977
1410612522c2
1584a26bc32
hex4f5b7c6f2

21302331122 has 8 divisors (see below), whose sum is σ = 31954121472. Its totient is φ = 10650957300.

The previous prime is 21302331121. The next prime is 21302331131. The reversal of 21302331122 is 22113320312.

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

It is a super-2 number, since 2×213023311222 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21302331094 and 21302331103.

It is not an unprimeable number, because it can be changed into a prime (21302331121) 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, 121547 + ... + 239537.

It is an arithmetic number, because the mean of its divisors is an integer number (3994265184).

Almost surely, 221302331122 is an apocalyptic number.

21302331122 is a deficient number, since it is larger than the sum of its proper divisors (10651790350).

21302331122 is a wasteful number, since it uses less digits than its factorization.

21302331122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208264.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21302331122 its reverse (22113320312), we get a palindrome (43415651434).

The spelling of 21302331122 in words is "twenty-one billion, three hundred two million, three hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 90271 117991 180542 235982 10651165561 21302331122