Search a number
-
+
18238654483130 = 251823865448313
BaseRepresentation
bin1000010010110100001001…
…00001011000101010111010
32101120121011012010112112102
410021122010201120222322
54342310231021430010
6102442415554543402
73561461601114614
oct411320441305272
971517135115472
1018238654483130
1158a1a73a7a784
122066934597b62
13a23b8943a473
14470a8148bdb4
15219668b32ba5
hex109684858aba

18238654483130 has 8 divisors (see below), whose sum is σ = 32829578069652. Its totient is φ = 7295461793248.

The previous prime is 18238654483111. The next prime is 18238654483151. The reversal of 18238654483130 is 3138445683281.

It can be written as a sum of positive squares in 2 ways, for example, as 16839754555129 + 1398899928001 = 4103627^2 + 1182751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911932724147 + ... + 911932724166.

Almost surely, 218238654483130 is an apocalyptic number.

18238654483130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18238654483130 is a deficient number, since it is larger than the sum of its proper divisors (14590923586522).

18238654483130 is a wasteful number, since it uses less digits than its factorization.

18238654483130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823865448320.

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 18238654483130 in words is "eighteen trillion, two hundred thirty-eight billion, six hundred fifty-four million, four hundred eighty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 1823865448313 3647730896626 9119327241565 18238654483130