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10202312223 = 323595575669
BaseRepresentation
bin10011000000001101…
…01110111000011111
3222100000110011022200
421200012232320133
5131343242442343
64404210542543
7510552136335
oct114006567037
928300404280
1010202312223
114365a371a4
121b88897a53
13c678a404c
146cad87b55
153eaa224d3
hex2601aee1f

10202312223 has 24 divisors (see below), whose sum is σ = 14806864800. Its totient is φ = 6769224384.

The previous prime is 10202312213. The next prime is 10202312249. The reversal of 10202312223 is 32221320201.

10202312223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10202312223 - 25 = 10202312191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10202312196 and 10202312205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202312213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1796833 + ... + 1802501.

It is an arithmetic number, because the mean of its divisors is an integer number (616952700).

Almost surely, 210202312223 is an apocalyptic number.

10202312223 is a deficient number, since it is larger than the sum of its proper divisors (4604552577).

10202312223 is a wasteful number, since it uses less digits than its factorization.

10202312223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591 (or 6588 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10202312223 its reverse (32221320201), we get a palindrome (42423632424).

The spelling of 10202312223 in words is "ten billion, two hundred two million, three hundred twelve thousand, two hundred twenty-three".

Divisors: 1 3 9 359 557 1077 1671 3231 5013 5669 17007 51021 199963 599889 1799667 2035171 3157633 6105513 9472899 18316539 28418697 1133590247 3400770741 10202312223