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203212310124 = 22316934359177
BaseRepresentation
bin1011110101000001100…
…1011100011001101100
3201102112012210221120110
42331100121130121230
511312134322410444
6233204321020020
720452535064435
oct2752031343154
9642465727513
10203212310124
117920006235a
1233473484610
13162169aabb5
149b9a99248c
1554454a4cb9
hex2f5065c66c

203212310124 has 12 divisors (see below), whose sum is σ = 474162056984. Its totient is φ = 67737436704.

The previous prime is 203212310057. The next prime is 203212310129. The reversal of 203212310124 is 421013212302.

203212310124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 203212310124.

It is not an unprimeable number, because it can be changed into a prime (203212310129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8467179577 + ... + 8467179600.

Almost surely, 2203212310124 is an apocalyptic number.

It is an amenable number.

203212310124 is an abundant number, since it is smaller than the sum of its proper divisors (270949746860).

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

203212310124 is a wasteful number, since it uses less digits than its factorization.

203212310124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16934359184 (or 16934359182 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 203212310124 its reverse (421013212302), we get a palindrome (624225522426).

The spelling of 203212310124 in words is "two hundred three billion, two hundred twelve million, three hundred ten thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 16934359177 33868718354 50803077531 67737436708 101606155062 203212310124