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4486129021 = 11419947071
BaseRepresentation
bin1000010110110010…
…01110010101111101
3102120122102222002201
410023121032111331
533141422112041
62021053151501
7216112316233
oct41331162575
912518388081
104486129021
1119a2337150
12a5248b591
1356655b01a
14307b38953
151b3c9d631
hex10b64e57d

4486129021 has 8 divisors (see below), whose sum is σ = 5013324288. Its totient is φ = 3978828000.

The previous prime is 4486129013. The next prime is 4486129033. The reversal of 4486129021 is 1209216844.

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 4486129021 - 23 = 4486129013 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 (4486129051) 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, 4973085 + ... + 4973986.

It is an arithmetic number, because the mean of its divisors is an integer number (626665536).

Almost surely, 24486129021 is an apocalyptic number.

4486129021 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4486129021 is a deficient number, since it is larger than the sum of its proper divisors (527195267).

4486129021 is a wasteful number, since it uses less digits than its factorization.

4486129021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9947123.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 4486129021 is about 66978.5713568153. The cubic root of 4486129021 is about 1649.2655465268.

The spelling of 4486129021 in words is "four billion, four hundred eighty-six million, one hundred twenty-nine thousand, twenty-one".

Divisors: 1 11 41 451 9947071 109417781 407829911 4486129021