Search a number
-
+
47448138000 = 243537908023
BaseRepresentation
bin101100001100001000…
…010010000100010000
311112110202001011001110
4230030020102010100
51234133210404000
633444122133320
73266544342564
oct541410220420
9145422034043
1047448138000
111913926739a
129242351240
134622182803
14242185d6a4
15137a822850
hexb0c212110

47448138000 has 80 divisors (see below), whose sum is σ = 152972816256. Its totient is φ = 12652835200.

The previous prime is 47448137953. The next prime is 47448138013. The reversal of 47448138000 is 83184474.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 47448138000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3948012 + ... + 3960011.

Almost surely, 247448138000 is an apocalyptic number.

47448138000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47448138000 is an abundant number, since it is smaller than the sum of its proper divisors (105524678256).

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

47448138000 is a wasteful number, since it uses less digits than its factorization.

47448138000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7908049 (or 7908033 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 47448138000 in words is "forty-seven billion, four hundred forty-eight million, one hundred thirty-eight thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 750 1000 1200 1500 2000 3000 6000 7908023 15816046 23724069 31632092 39540115 47448138 63264184 79080230 94896276 118620345 126528368 158160460 189792552 197700575 237240690 316320920 379585104 395401150 474481380 593101725 632641840 790802300 948962760 988502875 1186203450 1581604600 1897925520 1977005750 2372406900 2965508625 3163209200 3954011500 4744813800 5931017250 7908023000 9489627600 11862034500 15816046000 23724069000 47448138000