Base | Representation |
---|---|
bin | 1000110001010001111… |
… | …0100011011110000001 |
3 | 112101220021022102021211 |
4 | 2030110132203132001 |
5 | 4432031324044111 |
6 | 153114325250121 |
7 | 13612451563624 |
oct | 2142436433601 |
9 | 471807272254 |
10 | 150667409281 |
11 | 58996908674 |
12 | 2524a263941 |
13 | 1129191a5ac |
14 | 7414283dbb |
15 | 3dbc4b5521 |
hex | 23147a3781 |
150667409281 has 3 divisors (see below), whose sum is σ = 150667797441. Its totient is φ = 150667021122.
The previous prime is 150667409267. The next prime is 150667409309. The reversal of 150667409281 is 182904766051.
It is a happy number.
The square root of 150667409281 is 388159.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 182904766051 = 7 ⋅26129252293.
It is not a de Polignac number, because 150667409281 - 215 = 150667376513 is a prime.
It is a super-2 number, since 2×1506674092812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (150667409251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 194080 + ... + 582238.
It is an arithmetic number, because the mean of its divisors is an integer number (50222599147).
Almost surely, 2150667409281 is an apocalyptic number.
150667409281 is the 388159-th square number.
150667409281 is the 194080-th centered octagonal number.
It is an amenable number.
150667409281 is a deficient number, since it is larger than the sum of its proper divisors (388160).
150667409281 is an frugal number, since it uses more digits than its factorization.
150667409281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 776318 (or 388159 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 49.
Multiplying 150667409281 by its sum of digits (49), we get a square (7382703054769 = 27171132).
The spelling of 150667409281 in words is "one hundred fifty billion, six hundred sixty-seven million, four hundred nine thousand, two hundred eighty-one".
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