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21213013300132 = 2210973483300221
BaseRepresentation
bin1001101001011000010100…
…00111110101001110100100
32210002221111100222202110011
410310230022013311032210
510240023222401101012
6113041042422540004
74316406146655313
oct464541207651644
983087440882404
1021213013300132
11683942aa93125
122467283297604
13bab4bc949124
14534a02bb427a
1526bbec24e1a7
hex134b0a1f53a4

21213013300132 has 12 divisors (see below), whose sum is σ = 37126156453596. Its totient is φ = 10605540027680.

The previous prime is 21213013300109. The next prime is 21213013300151. The reversal of 21213013300132 is 23100331031212.

It can be written as a sum of positive squares in 2 ways, for example, as 15862887014976 + 5350126285156 = 3982824^2 + 2313034^2 .

It is a super-2 number, since 2×212130133001322 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241606219 + ... + 241694002.

It is an arithmetic number, because the mean of its divisors is an integer number (3093846371133).

Almost surely, 221213013300132 is an apocalyptic number.

It is an amenable number.

21213013300132 is a deficient number, since it is larger than the sum of its proper divisors (15913143153464).

21213013300132 is a wasteful number, since it uses less digits than its factorization.

21213013300132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483311198 (or 483311196 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21213013300132 its reverse (23100331031212), we get a palindrome (44313344331344).

The spelling of 21213013300132 in words is "twenty-one trillion, two hundred thirteen billion, thirteen million, three hundred thousand, one hundred thirty-two".

Divisors: 1 2 4 10973 21946 43892 483300221 966600442 1933200884 5303253325033 10606506650066 21213013300132