Base | Representation |
---|---|
bin | 11100011001010111… |
… | …11101111110000001 |
3 | 1110100110121100011211 |
4 | 32030223331332001 |
5 | 222210240110040 |
6 | 11000434210121 |
7 | 1046535246304 |
oct | 161453757601 |
9 | 43313540154 |
10 | 15245238145 |
11 | 65135a3075 |
12 | 2b55723941 |
13 | 158c5b2197 |
14 | a48a20b3b |
15 | 5e36078ea |
hex | 38cafdf81 |
15245238145 has 8 divisors (see below), whose sum is σ = 19257143040. Its totient is φ = 11554285680.
The previous prime is 15245238137. The next prime is 15245238199. The reversal of 15245238145 is 54183254251.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 15245238145 - 23 = 15245238137 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 15245238098 and 15245238107.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80238001 + ... + 80238190.
It is an arithmetic number, because the mean of its divisors is an integer number (2407142880).
Almost surely, 215245238145 is an apocalyptic number.
It is an amenable number.
15245238145 is a deficient number, since it is larger than the sum of its proper divisors (4011904895).
15245238145 is a wasteful number, since it uses less digits than its factorization.
15245238145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160476215.
The product of its digits is 192000, while the sum is 40.
The spelling of 15245238145 in words is "fifteen billion, two hundred forty-five million, two hundred thirty-eight thousand, one hundred forty-five".
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