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10202020201012 = 224754266064899
BaseRepresentation
bin1001010001110101011111…
…0010100100001000110100
31100010022012022212210010111
42110131113302210020310
52314122214132413022
633410424323032404
72102033366620213
oct224352762441064
940108168783114
1010202020201012
11328371a48a132
121189277b0b704
1359007ab757c3
14273acd64707a
1512a5a091a477
hex94757ca4234

10202020201012 has 12 divisors (see below), whose sum is σ = 18233397806400. Its totient is φ = 4992477970616.

The previous prime is 10202020200991. The next prime is 10202020201013. The reversal of 10202020201012 is 21010202020201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10202020200983 and 10202020201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202020201013) 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, 27133032262 + ... + 27133032637.

It is an arithmetic number, because the mean of its divisors is an integer number (1519449817200).

Almost surely, 210202020201012 is an apocalyptic number.

It is an amenable number.

10202020201012 is a deficient number, since it is larger than the sum of its proper divisors (8031377605388).

10202020201012 is a wasteful number, since it uses less digits than its factorization.

10202020201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54266064950 (or 54266064948 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10202020201012 its reverse (21010202020201), we get a palindrome (31212222221213).

The spelling of 10202020201012 in words is "ten trillion, two hundred two billion, twenty million, two hundred one thousand, twelve".

Divisors: 1 2 4 47 94 188 54266064899 108532129798 217064259596 2550505050253 5101010100506 10202020201012