Search a number
-
+
18794666034000 = 243453116016457
BaseRepresentation
bin1000100010111111110010…
…11001001000001101010000
32110112202022120221211220000
410101133321121020031100
54430412434001042000
6103550052252050000
73646604226244353
oct421377131101520
973482276854800
1018794666034000
115a9685600038a
122136647763900
13a6443890943c
1448d94957a29a
15228d5bc76000
hex1117f9648350

18794666034000 has 200 divisors, whose sum is σ = 67887726497448. Its totient is φ = 5011910899200.

The previous prime is 18794666033981. The next prime is 18794666034007. The reversal of 18794666034000 is 43066649781.

It can be written as a sum of positive squares in 4 ways, for example, as 5056345871424 + 13738320162576 = 2248632^2 + 3706524^2 .

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18794666034007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 57846229 + ... + 58170228.

Almost surely, 218794666034000 is an apocalyptic number.

18794666034000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18794666034000 is an abundant number, since it is smaller than the sum of its proper divisors (49093060463448).

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

18794666034000 is a wasteful number, since it uses less digits than its factorization.

18794666034000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116016492 (or 116016467 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 18794666034000 in words is "eighteen trillion, seven hundred ninety-four billion, six hundred sixty-six million, thirty-four thousand".