Search a number
-
+
18959480000 = 2654473987
BaseRepresentation
bin10001101010000100…
…101011010011000000
31210221022121101010222
4101222010223103000
5302312111330000
612413155242212
71240555630616
oct215204532300
953838541128
1018959480000
11804a14aa3a
1238115a9368
131a31c51326
14cbc02b6b6
1575e733a85
hex46a12b4c0

18959480000 has 70 divisors (see below), whose sum is σ = 47013447756. Its totient is φ = 7583776000.

The previous prime is 18959479879. The next prime is 18959480041. The reversal of 18959480000 is 8495981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 196994 + ... + 276993.

Almost surely, 218959480000 is an apocalyptic number.

18959480000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18959480000 is an abundant number, since it is smaller than the sum of its proper divisors (28053967756).

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

18959480000 is an frugal number, since it uses more digits than its factorization.

18959480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474019 (or 473994 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 18959480000 in words is "eighteen billion, nine hundred fifty-nine million, four hundred eighty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1600 2000 2500 4000 5000 8000 10000 20000 40000 473987 947974 1895948 2369935 3791896 4739870 7583792 9479740 11849675 15167584 18959480 23699350 30335168 37918960 47398700 59248375 75837920 94797400 118496750 151675840 189594800 236993500 296241875 379189600 473987000 592483750 758379200 947974000 1184967500 1895948000 2369935000 3791896000 4739870000 9479740000 18959480000