Base | Representation |
---|---|
bin | 11111011001011111010010… |
… | …110100010110110001000011 |
3 | 200002221101002100021220001120 |
4 | 133121133102310112301003 |
5 | 121044440412300130140 |
6 | 1205410051005003323 |
7 | 41041514316036240 |
oct | 3731372264266103 |
9 | 602841070256046 |
10 | 138091030473795 |
11 | 40000093749793 |
12 | 135a2b72853543 |
13 | 5c08c0b618309 |
14 | 26158da53a5c7 |
15 | 10e70e808b1d0 |
hex | 7d97d2d16c43 |
138091030473795 has 256 divisors, whose sum is σ = 278067012894720. Its totient is φ = 57111718809600.
The previous prime is 138091030473733. The next prime is 138091030473821. The reversal of 138091030473795 is 597374030190831.
It is a Cunningham number, because it is equal to 117512142-1.
It is not a de Polignac number, because 138091030473795 - 26 = 138091030473731 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1868406232 + ... + 1868480138.
It is an arithmetic number, because the mean of its divisors is an integer number (1086199269120).
Almost surely, 2138091030473795 is an apocalyptic number.
138091030473795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
138091030473795 is an abundant number, since it is smaller than the sum of its proper divisors (139975982420925).
138091030473795 is a wasteful number, since it uses less digits than its factorization.
138091030473795 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74466.
The product of its (nonzero) digits is 17146080, while the sum is 60.
The spelling of 138091030473795 in words is "one hundred thirty-eight trillion, ninety-one billion, thirty million, four hundred seventy-three thousand, seven hundred ninety-five".
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