Base | Representation |
---|---|
bin | 1000101011101010100… |
… | …1000101110100100001 |
3 | 112021000020021101000010 |
4 | 2022322221011310201 |
5 | 4420440004100420 |
6 | 152305005115133 |
7 | 13530220652565 |
oct | 2127251056441 |
9 | 467006241003 |
10 | 149160221985 |
11 | 58293069535 |
12 | 24aa9558aa9 |
13 | 110b15acaa8 |
14 | 731002d6a5 |
15 | 3d2eeeb4e0 |
hex | 22baa45d21 |
149160221985 has 64 divisors (see below), whose sum is σ = 255364462080. Its totient is φ = 74082877440.
The previous prime is 149160221971. The next prime is 149160222031. The reversal of 149160221985 is 589122061941.
It is not a de Polignac number, because 149160221985 - 216 = 149160156449 is a prime.
It is a super-2 number, since 2×1491602219852 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54656101 + ... + 54658829.
It is an arithmetic number, because the mean of its divisors is an integer number (3990069720).
Almost surely, 2149160221985 is an apocalyptic number.
149160221985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
149160221985 is a deficient number, since it is larger than the sum of its proper divisors (106204240095).
149160221985 is a wasteful number, since it uses less digits than its factorization.
149160221985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4938.
The product of its (nonzero) digits is 311040, while the sum is 48.
The spelling of 149160221985 in words is "one hundred forty-nine billion, one hundred sixty million, two hundred twenty-one thousand, nine hundred eighty-five".
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