Base | Representation |
---|---|
bin | 10000101010100… |
… | …11101000001111 |
3 | 100202001201212111 |
4 | 20111103220033 |
5 | 241242200101 |
6 | 21512244451 |
7 | 3315210235 |
oct | 1025235017 |
9 | 322051774 |
10 | 139803151 |
11 | 71a081a4 |
12 | 3a9a0727 |
13 | 22c6b877 |
14 | 147d2955 |
15 | c418251 |
hex | 8553a0f |
139803151 has 2 divisors, whose sum is σ = 139803152. Its totient is φ = 139803150.
The previous prime is 139803127. The next prime is 139803161. The reversal of 139803151 is 151308931.
It is a strong prime.
It is an emirp because it is prime and its reverse (151308931) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 139803151 - 25 = 139803119 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (139803161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69901575 + 69901576.
It is an arithmetic number, because the mean of its divisors is an integer number (69901576).
Almost surely, 2139803151 is an apocalyptic number.
139803151 is a deficient number, since it is larger than the sum of its proper divisors (1).
139803151 is an equidigital number, since it uses as much as digits as its factorization.
139803151 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3240, while the sum is 31.
The square root of 139803151 is about 11823.8382516000. The cubic root of 139803151 is about 519.0059300162.
The spelling of 139803151 in words is "one hundred thirty-nine million, eight hundred three thousand, one hundred fifty-one".
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