Search a number
-
+
18248033000 = 235318248033
BaseRepresentation
bin10000111111101010…
…101110001011101000
31202002201220010100002
4100333222232023220
5244332444024000
612214422402132
71214126502251
oct207752561350
952081803302
1018248033000
1178145a230a
123653290348
13194a734882
14c51753b28
1571c04e8d5
hex43faae2e8

18248033000 has 32 divisors (see below), whose sum is σ = 42700399560. Its totient is φ = 7299212800.

The previous prime is 18248032969. The next prime is 18248033017. The reversal of 18248033000 is 33084281.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2771180164 + 15476852836 = 52642^2 + 124406^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9123017 + ... + 9125016.

Almost surely, 218248033000 is an apocalyptic number.

18248033000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18248033000 is an abundant number, since it is smaller than the sum of its proper divisors (24452366560).

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

18248033000 is a wasteful number, since it uses less digits than its factorization.

18248033000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18248054 (or 18248040 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 18248033000 in words is "eighteen billion, two hundred forty-eight million, thirty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 18248033 36496066 72992132 91240165 145984264 182480330 364960660 456200825 729921320 912401650 1824803300 2281004125 3649606600 4562008250 9124016500 18248033000