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10202212213 = 55871182603
BaseRepresentation
bin10011000000001100…
…10110011101110101
3222100000021002010121
421200012112131311
5131343231242323
64404204451541
7510551241634
oct114006263565
928300232117
1010202212213
114365979046
121b88849bb1
13c6786a67b
146cad5d51b
153eaa02a5d
hex260196775

10202212213 has 4 divisors (see below), whose sum is σ = 10202450688. Its totient is φ = 10201973740.

The previous prime is 10202212201. The next prime is 10202212219. The reversal of 10202212213 is 31221220201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10202212213 - 225 = 10168657781 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 (10202212219) 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, 35431 + ... + 147172.

It is an arithmetic number, because the mean of its divisors is an integer number (2550612672).

Almost surely, 210202212213 is an apocalyptic number.

It is an amenable number.

10202212213 is a deficient number, since it is larger than the sum of its proper divisors (238475).

10202212213 is an equidigital number, since it uses as much as digits as its factorization.

10202212213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238474.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10202212213 its reverse (31221220201), we get a palindrome (41423432414).

The spelling of 10202212213 in words is "ten billion, two hundred two million, two hundred twelve thousand, two hundred thirteen".

Divisors: 1 55871 182603 10202212213