Base | Representation |
---|---|
bin | 1110010111010… |
… | …00000011010001 |
3 | 22101201102122220 |
4 | 13023220003101 |
5 | 221321110040 |
6 | 15542251253 |
7 | 2662063251 |
oct | 713500321 |
9 | 271642586 |
10 | 120488145 |
11 | 62015588 |
12 | 34426b29 |
13 | 1bc6817b |
14 | 12005961 |
15 | a8a02d0 |
hex | 72e80d1 |
120488145 has 16 divisors (see below), whose sum is σ = 201163392. Its totient is φ = 61466240.
The previous prime is 120488143. The next prime is 120488149. The reversal of 120488145 is 541884021.
It is not a de Polignac number, because 120488145 - 21 = 120488143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (120488141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174276 + ... + 174965.
It is an arithmetic number, because the mean of its divisors is an integer number (12572712).
Almost surely, 2120488145 is an apocalyptic number.
120488145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
120488145 is a deficient number, since it is larger than the sum of its proper divisors (80675247).
120488145 is a wasteful number, since it uses less digits than its factorization.
120488145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349272.
The product of its (nonzero) digits is 10240, while the sum is 33.
The square root of 120488145 is about 10976.7092063150. The cubic root of 120488145 is about 493.9103261860.
The spelling of 120488145 in words is "one hundred twenty million, four hundred eighty-eight thousand, one hundred forty-five".
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