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21130041022 = 282003128837
BaseRepresentation
bin10011101011011100…
…101101011010111110
32000112120220022002221
4103223130231122332
5321233242303042
613412414035554
71345423246066
oct235334553276
960476808087
1021130041022
118a633a2622
1241184a8bba
131cb984616c
1410464043a6
1583a087d67
hex4eb72d6be

21130041022 has 8 divisors (see below), whose sum is σ = 31695694056. Its totient is φ = 10564809672.

The previous prime is 21130040977. The next prime is 21130041059. The reversal of 21130041022 is 22014003112.

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

It is a junction number, because it is equal to n+sod(n) for n = 21130040987 and 21130041005.

It is a congruent number.

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, 99588 + ... + 228424.

It is an arithmetic number, because the mean of its divisors is an integer number (3961961757).

Almost surely, 221130041022 is an apocalyptic number.

21130041022 is a deficient number, since it is larger than the sum of its proper divisors (10565653034).

21130041022 is a wasteful number, since it uses less digits than its factorization.

21130041022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210842.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21130041022 its reverse (22014003112), we get a palindrome (43144044134).

The spelling of 21130041022 in words is "twenty-one billion, one hundred thirty million, forty-one thousand, twenty-two".

Divisors: 1 2 82003 128837 164006 257674 10565020511 21130041022