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11040110021 = 293131216273
BaseRepresentation
bin10100100100000101…
…01011010111000101
31001111101220200211202
422102002223113011
5140102232010041
65023255512245
7540404246453
oct122202532705
931441820752
1011040110021
114755944076
122181388685
13106c32c2a5
1476a3519d3
15449363a9b
hex2920ab5c5

11040110021 has 8 divisors (see below), whose sum is σ = 11457301080. Its totient is φ = 10625352192.

The previous prime is 11040109973. The next prime is 11040110033. The reversal of 11040110021 is 12001104011.

It can be written as a sum of positive squares in 4 ways, for example, as 42393121 + 10997716900 = 6511^2 + 104870^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11040110021 - 214 = 11040093637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11040109984 and 11040110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040110041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599060 + ... + 617213.

It is an arithmetic number, because the mean of its divisors is an integer number (1432162635).

Almost surely, 211040110021 is an apocalyptic number.

It is an amenable number.

11040110021 is a deficient number, since it is larger than the sum of its proper divisors (417191059).

11040110021 is a wasteful number, since it uses less digits than its factorization.

11040110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216615.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11040110021 its reverse (12001104011), we get a palindrome (23041214032).

The spelling of 11040110021 in words is "eleven billion, forty million, one hundred ten thousand, twenty-one".

Divisors: 1 29 313 9077 1216273 35271917 380693449 11040110021