Base | Representation |
---|---|
bin | 11100000001100001… |
… | …00101000010010000 |
3 | 1102211112001021220000 |
4 | 32000300211002100 |
5 | 221303022321034 |
6 | 10524525050000 |
7 | 1041555261015 |
oct | 160060450220 |
9 | 42745037800 |
10 | 15045120144 |
11 | 642063a49a |
12 | 2aba6b6900 |
13 | 1559cb6272 |
14 | a2a20b70c |
15 | 5d0c78599 |
hex | 380c25090 |
15045120144 has 100 divisors (see below), whose sum is σ = 44195122224. Its totient is φ = 4940160192.
The previous prime is 15045120143. The next prime is 15045120179. The reversal of 15045120144 is 44102154051.
15045120144 is a `hidden beast` number, since 1 + 5 + 0 + 4 + 512 + 0 + 144 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (15045120143) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 199 + ... + 173465.
Almost surely, 215045120144 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 15045120144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22097561112).
15045120144 is an abundant number, since it is smaller than the sum of its proper divisors (29150002080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15045120144 is a wasteful number, since it uses less digits than its factorization.
15045120144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173354 (or 173339 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
Adding to 15045120144 its reverse (44102154051), we get a palindrome (59147274195).
The spelling of 15045120144 in words is "fifteen billion, forty-five million, one hundred twenty thousand, one hundred forty-four".
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