Base | Representation |
---|---|
bin | 1000100100100110101010… |
… | …11111010001100010011000 |
3 | 2110202000212211002122000220 |
4 | 10102103111133101202120 |
5 | 4432314042422141102 |
6 | 104031305042000040 |
7 | 3653601023246430 |
oct | 422232537214230 |
9 | 73660784078026 |
10 | 18849898240152 |
11 | 6008219160351 |
12 | 21452a0946020 |
13 | a696cb65a225 |
14 | 4924a8b352c0 |
15 | 22a4e0b3e1bc |
hex | 1124d57d1898 |
18849898240152 has 64 divisors (see below), whose sum is σ = 53857471514880. Its totient is φ = 5385623271552.
The previous prime is 18849898240099. The next prime is 18849898240169. The reversal of 18849898240152 is 25104289894881.
It is a congruent number.
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, 15153858 + ... + 16350510.
It is an arithmetic number, because the mean of its divisors is an integer number (841522992420).
Almost surely, 218849898240152 is an apocalyptic number.
18849898240152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
18849898240152 is an abundant number, since it is smaller than the sum of its proper divisors (35007573274728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18849898240152 is a wasteful number, since it uses less digits than its factorization.
18849898240152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1290432 (or 1290428 counting only the distinct ones).
The product of its (nonzero) digits is 106168320, while the sum is 69.
The spelling of 18849898240152 in words is "eighteen trillion, eight hundred forty-nine billion, eight hundred ninety-eight million, two hundred forty thousand, one hundred fifty-two".
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