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203297131927 = 1371483920671
BaseRepresentation
bin1011110101010101110…
…1000000110110010111
3201102202010102100012201
42331111131000312113
511312323031210202
6233220551025331
720454615052351
oct2752535006627
9642663370181
10203297131927
1179243a2721a
123349796b247
131622b438c06
149ba7d520d1
15544cb5c387
hex2f55740d97

203297131927 has 4 divisors (see below), whose sum is σ = 204781052736. Its totient is φ = 201813211120.

The previous prime is 203297131909. The next prime is 203297131949. The reversal of 203297131927 is 729131792302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-203297131927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203297131967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741960199 + ... + 741960472.

It is an arithmetic number, because the mean of its divisors is an integer number (51195263184).

Almost surely, 2203297131927 is an apocalyptic number.

203297131927 is a deficient number, since it is larger than the sum of its proper divisors (1483920809).

203297131927 is a wasteful number, since it uses less digits than its factorization.

203297131927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483920808.

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 203297131927 in words is "two hundred three billion, two hundred ninety-seven million, one hundred thirty-one thousand, nine hundred twenty-seven".

Divisors: 1 137 1483920671 203297131927