Base | Representation |
---|---|
bin | 1000011101010010000… |
… | …0010010100101011000 |
3 | 111220001010222212012212 |
4 | 2013110200102211120 |
5 | 4340033040432123 |
6 | 150425521054252 |
7 | 13332435304430 |
oct | 2072440224530 |
9 | 456033885185 |
10 | 145299155288 |
11 | 56691648a21 |
12 | 241b0487388 |
13 | 109176b4041 |
14 | 70653232c0 |
15 | 3ba606b878 |
hex | 21d4812958 |
145299155288 has 32 divisors (see below), whose sum is σ = 317229968160. Its totient is φ = 61096139520.
The previous prime is 145299155269. The next prime is 145299155327. The reversal of 145299155288 is 882551992541.
It is a happy number.
It is a super-2 number, since 2×1452991552882 (a number of 23 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.
It is a congruent number.
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, 24474653 + ... + 24480588.
It is an arithmetic number, because the mean of its divisors is an integer number (9913436505).
Almost surely, 2145299155288 is an apocalyptic number.
It is an amenable number.
145299155288 is an abundant number, since it is smaller than the sum of its proper divisors (171930812872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145299155288 is a wasteful number, since it uses less digits than its factorization.
145299155288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48955307 (or 48955303 counting only the distinct ones).
The product of its digits is 10368000, while the sum is 59.
The spelling of 145299155288 in words is "one hundred forty-five billion, two hundred ninety-nine million, one hundred fifty-five thousand, two hundred eighty-eight".
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