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202010223310013 = 1731167689152081
BaseRepresentation
bin101101111011101000101011…
…100110011111010010111101
3222111020222200210102212102002
4231323220223212133102331
5202434213414131410023
61553350114311312045
760356520436445246
oct5573505346372275
9874228623385362
10202010223310013
1159404066732278
121a7a6b2707b625
138894636869901
1437c54c0165ccd
151854b3983ab28
hexb7ba2b99f4bd

202010223310013 has 4 divisors (see below), whose sum is σ = 203177912462268. Its totient is φ = 200842534157760.

The previous prime is 202010223309953. The next prime is 202010223310031. The reversal of 202010223310013 is 310013322010202.

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 73475806670809 + 128534416639204 = 8571803^2 + 11337302^2 .

It is a cyclic number.

It is not a de Polignac number, because 202010223310013 - 228 = 202009954874557 is a prime.

It is a super-2 number, since 2×2020102233100132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202010223310033) 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, 583844575868 + ... + 583844576213.

It is an arithmetic number, because the mean of its divisors is an integer number (50794478115567).

Almost surely, 2202010223310013 is an apocalyptic number.

It is an amenable number.

202010223310013 is a deficient number, since it is larger than the sum of its proper divisors (1167689152255).

202010223310013 is a wasteful number, since it uses less digits than its factorization.

202010223310013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167689152254.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 202010223310013 its reverse (310013322010202), we get a palindrome (512023545320215).

The spelling of 202010223310013 in words is "two hundred two trillion, ten billion, two hundred twenty-three million, three hundred ten thousand, thirteen".

Divisors: 1 173 1167689152081 202010223310013