Search a number
-
+
18849898240151 = 115713001098271
BaseRepresentation
bin1000100100100110101010…
…11111010001100010010111
32110202000212211002122000212
410102103111133101202113
54432314042422141101
6104031305042000035
73653601023246426
oct422232537214227
973660784078025
1018849898240151
116008219160350
1221452a094601b
13a696cb65a224
144924a8b352bd
1522a4e0b3e1bb
hex1124d57d1897

18849898240151 has 8 divisors (see below), whose sum is σ = 20599538539008. Its totient is φ = 17106260139000.

The previous prime is 18849898240099. The next prime is 18849898240169. The reversal of 18849898240151 is 15104289894881.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-18849898240151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18849898240171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500542855 + ... + 1500555416.

It is an arithmetic number, because the mean of its divisors is an integer number (2574942317376).

Almost surely, 218849898240151 is an apocalyptic number.

18849898240151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

18849898240151 is a deficient number, since it is larger than the sum of its proper divisors (1749640298857).

18849898240151 is a wasteful number, since it uses less digits than its factorization.

18849898240151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001098853.

The product of its (nonzero) digits is 53084160, while the sum is 68.

The spelling of 18849898240151 in words is "eighteen trillion, eight hundred forty-nine billion, eight hundred ninety-eight million, two hundred forty thousand, one hundred fifty-one".

Divisors: 1 11 571 6281 3001098271 33012080981 1713627112741 18849898240151