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10202022011 = 52271951793
BaseRepresentation
bin10011000000001011…
…01000000001111011
3222022222220102020002
421200011220001323
5131343204201021
64404200423215
7510546520256
oct114005500173
928288812202
1010202022011
114365859155
121b88777b0b
13c67801c1c
146cad1009d
153ea9b650b
hex26016807b

10202022011 has 4 divisors (see below), whose sum is σ = 10203979032. Its totient is φ = 10200064992.

The previous prime is 10202022007. The next prime is 10202022023. The reversal of 10202022011 is 11022020201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11022020201 = 41268829761.

It is a cyclic number.

It is not a de Polignac number, because 10202022011 - 22 = 10202022007 is a prime.

It is a super-2 number, since 2×102020220112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202021983 and 10202022001.

It is not an unprimeable number, because it can be changed into a prime (10202022041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970670 + ... + 981123.

It is an arithmetic number, because the mean of its divisors is an integer number (2550994758).

Almost surely, 210202022011 is an apocalyptic number.

10202022011 is a deficient number, since it is larger than the sum of its proper divisors (1957021).

10202022011 is an equidigital number, since it uses as much as digits as its factorization.

10202022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957020.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10202022011 its reverse (11022020201), we get a palindrome (21224042212).

The spelling of 10202022011 in words is "ten billion, two hundred two million, twenty-two thousand, eleven".

Divisors: 1 5227 1951793 10202022011