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10022221010 = 251002222101
BaseRepresentation
bin10010101010101111…
…01111010011010010
3221212110120120121202
421111113233103102
5131011142033020
64334254551202
7503234321144
oct112527572322
927773516552
1010022221010
114283311a8a
121b38508502
13c3949a7b9
146b10a8c94
153d9cebe75
hex2555ef4d2

10022221010 has 8 divisors (see below), whose sum is σ = 18039997836. Its totient is φ = 4008888400.

The previous prime is 10022221007. The next prime is 10022221049. The reversal of 10022221010 is 1012222001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8505819529 + 1516401481 = 92227^2 + 38941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10022220982 and 10022221000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501111041 + ... + 501111060.

Almost surely, 210022221010 is an apocalyptic number.

10022221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10022221010 is a deficient number, since it is larger than the sum of its proper divisors (8017776826).

10022221010 is a wasteful number, since it uses less digits than its factorization.

10022221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002222108.

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

Adding to 10022221010 its reverse (1012222001), we get a palindrome (11034443011).

Subtracting from 10022221010 its reverse (1012222001), we obtain a palindrome (9009999009).

The spelling of 10022221010 in words is "ten billion, twenty-two million, two hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 1002222101 2004444202 5011110505 10022221010