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21112020000010 = 256011351223091
BaseRepresentation
bin1001100110011100001100…
…11100111101110100001010
32202202021210222021112121001
410303032012130331310022
510231344404110000020
6112522421134005214
74306202352042142
oct463160634756412
982667728245531
1021112020000010
1167aa61499aa35
12244b79894680a
13ba1b16406c44
1452db81c6b922
1526928ac0850a
hex13338673dd0a

21112020000010 has 16 divisors (see below), whose sum is σ = 38007958123872. Its totient is φ = 8443403083600.

The previous prime is 21112020000007. The next prime is 21112020000047. The reversal of 21112020000010 is 1000002021112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175551436 + ... + 175671655.

It is an arithmetic number, because the mean of its divisors is an integer number (2375497382742).

Almost surely, 221112020000010 is an apocalyptic number.

21112020000010 is a deficient number, since it is larger than the sum of its proper divisors (16895938123862).

21112020000010 is a wasteful number, since it uses less digits than its factorization.

21112020000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351229109.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 21112020000010 its reverse (1000002021112), we get a palindrome (22112022021122).

The spelling of 21112020000010 in words is "twenty-one trillion, one hundred twelve billion, twenty million, ten", and thus it is an aban number.

Divisors: 1 2 5 10 6011 12022 30055 60110 351223091 702446182 1756115455 3512230910 2111202000001 4222404000002 10556010000005 21112020000010