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202310230212 = 223252310745179
BaseRepresentation
bin1011110001101010100…
…0010010000011000100
3201100012100101112120100
42330122220102003010
511303312404331322
6232535014204100
720421302404026
oct2743250220304
9640170345510
10202310230212
117888793a372
1233261353630
1316101b368bc
149b12c54016
1553e11b6dac
hex2f1aa120c4

202310230212 has 36 divisors (see below), whose sum is σ = 512373163120. Its totient is φ = 67307794992.

The previous prime is 202310230193. The next prime is 202310230217. The reversal of 202310230212 is 212032013202.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (202310230217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5353762 + ... + 5391417.

Almost surely, 2202310230212 is an apocalyptic number.

It is an amenable number.

202310230212 is an abundant number, since it is smaller than the sum of its proper divisors (310062932908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202310230212 is a wasteful number, since it uses less digits than its factorization.

202310230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10745712 (or 10745707 counting only the distinct ones).

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

Adding to 202310230212 its reverse (212032013202), we get a palindrome (414342243414).

The spelling of 202310230212 in words is "two hundred two billion, three hundred ten million, two hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 523 1046 1569 2092 3138 4707 6276 9414 18828 10745179 21490358 32235537 42980716 64471074 96706611 128942148 193413222 386826444 5619728617 11239457234 16859185851 22478914468 33718371702 50577557553 67436743404 101155115106 202310230212