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203102201312 = 256346943791
BaseRepresentation
bin1011110100100111010…
…1011010010111100000
3201102020112121211200022
42331021311122113200
511311423130420222
6233145345013012
720450030140463
oct2751165322740
9642215554608
10203102201312
1179153996a3a
1233442624168
13161c9c3815a
149b8a0cd2da
15543a9a5042
hex2f49d5a5e0

203102201312 has 12 divisors (see below), whose sum is σ = 399857458896. Its totient is φ = 101551100640.

The previous prime is 203102201311. The next prime is 203102201329. The reversal of 203102201312 is 213102201302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203102201311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3173471864 + ... + 3173471927.

It is an arithmetic number, because the mean of its divisors is an integer number (33321454908).

Almost surely, 2203102201312 is an apocalyptic number.

It is an amenable number.

203102201312 is a deficient number, since it is larger than the sum of its proper divisors (196755257584).

203102201312 is an equidigital number, since it uses as much as digits as its factorization.

203102201312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6346943801 (or 6346943793 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 203102201312 its reverse (213102201302), we get a palindrome (416204402614).

The spelling of 203102201312 in words is "two hundred three billion, one hundred two million, two hundred one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 6346943791 12693887582 25387775164 50775550328 101551100656 203102201312