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106513442885 = 521302688577
BaseRepresentation
bin110001100110010110…
…0100010100001000101
3101011221002211112011002
41203030230202201011
53221114420133020
6120533120423045
710460334216623
oct1431454424105
9334832745132
10106513442885
1141199075153
1218787177a85
13a076089265
145226124513
152b85e93975
hex18ccb22845

106513442885 has 4 divisors (see below), whose sum is σ = 127816131468. Its totient is φ = 85210754304.

The previous prime is 106513442839. The next prime is 106513442933. The reversal of 106513442885 is 588244315601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70509898369 + 36003544516 = 265537^2 + 189746^2 .

It is a cyclic number.

It is not a de Polignac number, because 106513442885 - 214 = 106513426501 is a prime.

It is a super-2 number, since 2×1065134428852 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 10651344284 + ... + 10651344293.

It is an arithmetic number, because the mean of its divisors is an integer number (31954032867).

Almost surely, 2106513442885 is an apocalyptic number.

It is an amenable number.

106513442885 is a deficient number, since it is larger than the sum of its proper divisors (21302688583).

106513442885 is an equidigital number, since it uses as much as digits as its factorization.

106513442885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21302688582.

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 106513442885 in words is "one hundred six billion, five hundred thirteen million, four hundred forty-two thousand, eight hundred eighty-five".

Divisors: 1 5 21302688577 106513442885