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8238985803 = 324321289369
BaseRepresentation
bin1111010110001010…
…01111001001001011
3210021012002211210100
413223011033021023
5113333140021203
63441314020443
7411112136526
oct75305171113
923235084710
108238985803
113548768a84
12171b277723
13a13bca439
14582317bbd
153334a5ea3
hex1eb14f24b

8238985803 has 12 divisors (see below), whose sum is σ = 12177519640. Its totient is φ = 5364920736.

The previous prime is 8238985721. The next prime is 8238985831. The reversal of 8238985803 is 3085898328.

It is not a de Polignac number, because 8238985803 - 29 = 8238985291 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 8238985803.

It is not an unprimeable number, because it can be changed into a prime (8238985883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10644298 + ... + 10645071.

Almost surely, 28238985803 is an apocalyptic number.

8238985803 is a deficient number, since it is larger than the sum of its proper divisors (3938533837).

8238985803 is a wasteful number, since it uses less digits than its factorization.

8238985803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21289418 (or 21289415 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The square root of 8238985803 is about 90768.8592139397. The cubic root of 8238985803 is about 2019.7203974501.

The spelling of 8238985803 in words is "eight billion, two hundred thirty-eight million, nine hundred eighty-five thousand, eight hundred three".

Divisors: 1 3 9 43 129 387 21289369 63868107 191604321 915442867 2746328601 8238985803