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8630903493 = 32958989277
BaseRepresentation
bin10000000100111000…
…10010001011000101
3211021111120022210100
420002130102023011
5120134002402433
63544234114313
7423611316642
oct100234221305
924244508710
108630903493
113729a135a3
12180a57b999
13a7716bcb4
145bc3b6dc9
15357abeb13
hex2027122c5

8630903493 has 6 divisors (see below), whose sum is σ = 12466860614. Its totient is φ = 5753935656.

The previous prime is 8630903461. The next prime is 8630903537. The reversal of 8630903493 is 3943090368.

8630903493 is a `hidden beast` number, since 8 + 630 + 9 + 0 + 3 + 4 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5785427844 + 2845475649 = 76062^2 + 53343^2 .

It is not a de Polignac number, because 8630903493 - 25 = 8630903461 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 (8630953493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 479494630 + ... + 479494647.

Almost surely, 28630903493 is an apocalyptic number.

It is an amenable number.

8630903493 is a deficient number, since it is larger than the sum of its proper divisors (3835957121).

8630903493 is a wasteful number, since it uses less digits than its factorization.

8630903493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958989283 (or 958989280 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 8630903493 is about 92902.6560061659. The cubic root of 8630903493 is about 2051.2507531299.

The spelling of 8630903493 in words is "eight billion, six hundred thirty million, nine hundred three thousand, four hundred ninety-three".

Divisors: 1 3 9 958989277 2876967831 8630903493