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203231230439 = 415087974417
BaseRepresentation
bin1011110101000110000…
…1100111100111100111
3201102120112102012100212
42331101201213213213
511312204143333224
6233210234330035
720453154645626
oct2752141474747
9642515365325
10203231230439
117920a805486
123347988991b
131621a8a3a53
149b9d2b96bd
155446e90d0e
hex2f518679e7

203231230439 has 8 divisors (see below), whose sum is σ = 208229228928. Its totient is φ = 198235191040.

The previous prime is 203231230421. The next prime is 203231230441. The reversal of 203231230439 is 934032132302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203231230439 - 212 = 203231226343 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 (203231230339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278642 + ... + 695775.

It is an arithmetic number, because the mean of its divisors is an integer number (26028653616).

Almost surely, 2203231230439 is an apocalyptic number.

203231230439 is a deficient number, since it is larger than the sum of its proper divisors (4997998489).

203231230439 is an equidigital number, since it uses as much as digits as its factorization.

203231230439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979545.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 203231230439 in words is "two hundred three billion, two hundred thirty-one million, two hundred thirty thousand, four hundred thirty-nine".

Divisors: 1 41 5087 208567 974417 39951097 4956859279 203231230439