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4490134987 = 131791929581
BaseRepresentation
bin1000010111010001…
…00000010111001011
3102120220222111020211
410023220200113023
533143433304422
62021315101551
7216161342362
oct41350402713
912526874224
104490134987
1119a4622968
12a538a18b7
13567331510
1430849c7d9
151b42e0577
hex10ba205cb

4490134987 has 8 divisors (see below), whose sum is σ = 4862546640. Its totient is φ = 4121582880.

The previous prime is 4490134981. The next prime is 4490134993. The reversal of 4490134987 is 7894310944.

It is an interprime number because it is at equal distance from previous prime (4490134981) and next prime (4490134993).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4490134987 is a prime.

It is a super-2 number, since 2×44901349872 = 40322624402962980338, which contains 22 as substring.

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 4490134987.

It is not an unprimeable number, because it can be changed into a prime (4490134981) 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, 962464 + ... + 967117.

It is an arithmetic number, because the mean of its divisors is an integer number (607818330).

Almost surely, 24490134987 is an apocalyptic number.

4490134987 is a deficient number, since it is larger than the sum of its proper divisors (372411653).

4490134987 is a wasteful number, since it uses less digits than its factorization.

4490134987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929773.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 4490134987 is about 67008.4695169200. The cubic root of 4490134987 is about 1649.7563138131.

The spelling of 4490134987 in words is "four billion, four hundred ninety million, one hundred thirty-four thousand, nine hundred eighty-seven".

Divisors: 1 13 179 2327 1929581 25084553 345394999 4490134987