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20011100002010 = 2513179054796381
BaseRepresentation
bin1001000110011001100101…
…00000011101011011011010
32121212001010222002000212022
410203030302200131123122
510110330213100031020
6110320550013414442
74133516466335525
oct443146240353332
977761128060768
1020011100002010
116415729298917
1222b2350a9a422
13b22066b52a70
144d278451dbbc
1524a8045ca625
hex12333281d6da

20011100002010 has 32 divisors (see below), whose sum is σ = 41072556388752. Its totient is φ = 6954083619840.

The previous prime is 20011100001989. The next prime is 20011100002013. The reversal of 20011100002010 is 1020000111002.

It can be written as a sum of positive squares in 8 ways, for example, as 5109485013889 + 14901614988121 = 2260417^2 + 3860261^2 .

It is not an unprimeable number, because it can be changed into a prime (20011100002013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4527395981 + ... + 4527400400.

Almost surely, 220011100002010 is an apocalyptic number.

20011100002010 is an abundant number, since it is smaller than the sum of its proper divisors (21061456386742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20011100002010 is a wasteful number, since it uses less digits than its factorization.

20011100002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9054796418.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20011100002010 its reverse (1020000111002), we get a palindrome (21031100113012).

The spelling of 20011100002010 in words is "twenty trillion, eleven billion, one hundred million, two thousand, ten".

Divisors: 1 2 5 10 13 17 26 34 65 85 130 170 221 442 1105 2210 9054796381 18109592762 45273981905 90547963810 117712352953 153931538477 235424705906 307863076954 588561764765 769657692385 1177123529530 1539315384770 2001110000201 4002220000402 10005550001005 20011100002010