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2101240421012 = 221265941496967
BaseRepresentation
bin11110100100111011101…
…100000101101010010100
321102212200001120002221202
4132210323230011222110
5233411320021433022
64245144014332032
7304544460612245
oct36447354055224
97385601502852
102101240421012
11740149490617
1229b2991ba018
131231b904b635
14739b4562ccc
15399d1089592
hex1e93bb05a94

2101240421012 has 12 divisors (see below), whose sum is σ = 3677461304160. Its totient is φ = 1050537191256.

The previous prime is 2101240421003. The next prime is 2101240421017.

2101240421012 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×21012404210122 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101240421017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20697848 + ... + 20799119.

It is an arithmetic number, because the mean of its divisors is an integer number (306455108680).

Almost surely, 22101240421012 is an apocalyptic number.

It is an amenable number.

2101240421012 is a deficient number, since it is larger than the sum of its proper divisors (1576220883148).

2101240421012 is a wasteful number, since it uses less digits than its factorization.

2101240421012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41509630 (or 41509628 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 2101240 and 421012, that added together give a palindrome (2522252).

The spelling of 2101240421012 in words is "two trillion, one hundred one billion, two hundred forty million, four hundred twenty-one thousand, twelve".

Divisors: 1 2 4 12659 25318 50636 41496967 82993934 165987868 525310105253 1050620210506 2101240421012