Base | Representation |
---|---|
bin | 111111101000010001… |
… | …0000100110010011000 |
3 | 111001200212010020210210 |
4 | 1333100202010302120 |
5 | 4214321000021413 |
6 | 142434524411120 |
7 | 12605062522443 |
oct | 1772042046230 |
9 | 431625106723 |
10 | 136642579608 |
11 | 52a4a1a0547 |
12 | 225953a6aa0 |
13 | cb68126c02 |
14 | 688378665a |
15 | 384b0ca3c3 |
hex | 1fd0884c98 |
136642579608 has 32 divisors (see below), whose sum is σ = 342347488560. Its totient is φ = 45448721280.
The previous prime is 136642579597. The next prime is 136642579609. The reversal of 136642579608 is 806975246631.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (136642579609) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6164035 + ... + 6186162.
It is a 1-persistent number, because it is pandigital, but 2⋅136642579608 = 273285159216 is not.
Almost surely, 2136642579608 is an apocalyptic number.
It is an amenable number.
136642579608 is an abundant number, since it is smaller than the sum of its proper divisors (205704908952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
136642579608 is a wasteful number, since it uses less digits than its factorization.
136642579608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12350667 (or 12350663 counting only the distinct ones).
The product of its (nonzero) digits is 13063680, while the sum is 57.
The spelling of 136642579608 in words is "one hundred thirty-six billion, six hundred forty-two million, five hundred seventy-nine thousand, six hundred eight".
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