Base | Representation |
---|---|
bin | 1001010000111100101… |
… | …0010010011001101000 |
3 | 120012211200221112110111 |
4 | 2110033022102121220 |
5 | 10101434021120000 |
6 | 201042033424104 |
7 | 14333222623654 |
oct | 2241712223150 |
9 | 505750845414 |
10 | 159168145000 |
11 | 615592a5197 |
12 | 26a2110b034 |
13 | 12017b12627 |
14 | 79bd255a64 |
15 | 4218921cba |
hex | 250f292668 |
159168145000 has 40 divisors (see below), whose sum is σ = 372930975450. Its totient is φ = 63667256000.
The previous prime is 159168144997. The next prime is 159168145001. The reversal of 159168145000 is 541861951.
It can be written as a sum of positive squares in 5 ways, for example, as 3049911076 + 156118233924 = 55226^2 + 395118^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (40).
It is not an unprimeable number, because it can be changed into a prime (159168145001) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15911815 + ... + 15921814.
Almost surely, 2159168145000 is an apocalyptic number.
159168145000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
159168145000 is an abundant number, since it is smaller than the sum of its proper divisors (213762830450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
159168145000 is an equidigital number, since it uses as much as digits as its factorization.
159168145000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31833655 (or 31833636 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 40.
The spelling of 159168145000 in words is "one hundred fifty-nine billion, one hundred sixty-eight million, one hundred forty-five thousand".
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