Search a number
-
+
10020122213 = 97103300229
BaseRepresentation
bin10010101010011111…
…01110111001100101
3221212022121221121112
421111033232321211
5131010122402323
64334141554405
7503210430203
oct112517567145
927768557545
1010020122213
114282109142
121b37875a05
13c38c143ca
146b0ac0073
153d9a35178
hex2553eee65

10020122213 has 4 divisors (see below), whose sum is σ = 10123422540. Its totient is φ = 9916821888.

The previous prime is 10020122209. The next prime is 10020122237. The reversal of 10020122213 is 31222102001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7964134564 + 2055987649 = 89242^2 + 45343^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020122213 - 22 = 10020122209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020122263) 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, 51650018 + ... + 51650211.

It is an arithmetic number, because the mean of its divisors is an integer number (2530855635).

Almost surely, 210020122213 is an apocalyptic number.

It is an amenable number.

10020122213 is a deficient number, since it is larger than the sum of its proper divisors (103300327).

10020122213 is an equidigital number, since it uses as much as digits as its factorization.

10020122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103300326.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10020122213 its reverse (31222102001), we get a palindrome (41242224214).

The spelling of 10020122213 in words is "ten billion, twenty million, one hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 97 103300229 10020122213