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4990810180 = 2251913133711
BaseRepresentation
bin1001010010111100…
…11011100001000100
3110212211002102111111
410221132123201010
540210121411210
62143122214404
7234451120666
oct45136334104
913784072444
104990810180
112131200614
12b734b4404
13616c91a25
14354b8c536
151e323d88a
hex12979b844

4990810180 has 24 divisors (see below), whose sum is σ = 11032318080. Its totient is φ = 1891254240.

The previous prime is 4990810163. The next prime is 4990810211. The reversal of 4990810180 is 810180994.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6566476 + ... + 6567235.

It is an arithmetic number, because the mean of its divisors is an integer number (459679920).

Almost surely, 24990810180 is an apocalyptic number.

It is an amenable number.

4990810180 is an abundant number, since it is smaller than the sum of its proper divisors (6041507900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4990810180 is a wasteful number, since it uses less digits than its factorization.

4990810180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13133739 (or 13133737 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 4990810180 is about 70645.6663922140. Note that the first 3 decimals coincide. The cubic root of 4990810180 is about 1708.9276794447.

The spelling of 4990810180 in words is "four billion, nine hundred ninety million, eight hundred ten thousand, one hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 13133711 26267422 52534844 65668555 131337110 249540509 262674220 499081018 998162036 1247702545 2495405090 4990810180