Base | Representation |
---|---|
bin | 1000011101110111011… |
… | …1111111011011001111 |
3 | 111220110002210211221200 |
4 | 2013131313333123033 |
5 | 4340343312110330 |
6 | 150453254400543 |
7 | 13336354454532 |
oct | 2073567773317 |
9 | 456402724850 |
10 | 145456363215 |
11 | 56762363629 |
12 | 24235060153 |
13 | 10941137997 |
14 | 707c166a19 |
15 | 3bb4c71a60 |
hex | 21dddff6cf |
145456363215 has 48 divisors (see below), whose sum is σ = 263197142208. Its totient is φ = 74172561408.
The previous prime is 145456363187. The next prime is 145456363231. The reversal of 145456363215 is 512363654541.
It is a happy number.
145456363215 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 5 + 6 + 3 + 632 + 1 + 5 = 666.
It is not a de Polignac number, because 145456363215 - 28 = 145456362959 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2535327 + ... + 2592063.
It is an arithmetic number, because the mean of its divisors is an integer number (5483273796).
Almost surely, 2145456363215 is an apocalyptic number.
145456363215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
145456363215 is a deficient number, since it is larger than the sum of its proper divisors (117740778993).
145456363215 is a wasteful number, since it uses less digits than its factorization.
145456363215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59248 (or 59245 counting only the distinct ones).
The product of its digits is 1296000, while the sum is 45.
The spelling of 145456363215 in words is "one hundred forty-five billion, four hundred fifty-six million, three hundred sixty-three thousand, two hundred fifteen".
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