Base | Representation |
---|---|
bin | 10001010011010… |
… | …00011000111100 |
3 | 101010002102101202 |
4 | 20221220120330 |
5 | 244123143233 |
6 | 22222355032 |
7 | 3411410435 |
oct | 1051503074 |
9 | 333072352 |
10 | 145131068 |
11 | 74a17135 |
12 | 4072ba78 |
13 | 240b5994 |
14 | 153bc48c |
15 | cb1bbe8 |
hex | 8a6863c |
145131068 has 12 divisors (see below), whose sum is σ = 254331000. Its totient is φ = 72465072.
The previous prime is 145131047. The next prime is 145131113. The reversal of 145131068 is 860131541.
It is a self number, because there is not a number n which added to its sum of digits gives 145131068.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21818 + ... + 27681.
It is an arithmetic number, because the mean of its divisors is an integer number (21194250).
Almost surely, 2145131068 is an apocalyptic number.
It is an amenable number.
145131068 is a deficient number, since it is larger than the sum of its proper divisors (109199932).
145131068 is a wasteful number, since it uses less digits than its factorization.
145131068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50236 (or 50234 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 29.
The square root of 145131068 is about 12047.0356519768. The cubic root of 145131068 is about 525.5170332004.
The spelling of 145131068 in words is "one hundred forty-five million, one hundred thirty-one thousand, sixty-eight".
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