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202321200013 = 31293127717443
BaseRepresentation
bin1011110001101101001…
…0001000001110001101
3201100020010000212022021
42330123102020032031
511303323211400023
6232540045250141
720421464552662
oct2743322101615
9640203025267
10202321200013
1178893052119
1233264b63951
13161041a79ca
149b144aba69
1553e213235d
hex2f1b48838d

202321200013 has 16 divisors (see below), whose sum is σ = 209736608256. Its totient is φ = 194962489920.

The previous prime is 202321199957. The next prime is 202321200019. The reversal of 202321200013 is 310002123202.

It is a cyclic number.

It is not a de Polignac number, because 202321200013 - 29 = 202321199501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202321200013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202321200019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11590270 + ... + 11607712.

It is an arithmetic number, because the mean of its divisors is an integer number (13108538016).

Almost surely, 2202321200013 is an apocalyptic number.

It is an amenable number.

202321200013 is a deficient number, since it is larger than the sum of its proper divisors (7415408243).

202321200013 is a wasteful number, since it uses less digits than its factorization.

202321200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19044.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 202321200013 its reverse (310002123202), we get a palindrome (512323323215).

The spelling of 202321200013 in words is "two hundred two billion, three hundred twenty-one million, two hundred thousand, thirteen".

Divisors: 1 31 293 1277 9083 17443 39587 374161 540733 5110799 11598991 22274711 158434769 690516041 6526490323 202321200013