Base | Representation |
---|---|
bin | 1111010111110… |
… | …10111010011110 |
3 | 22222122112122121 |
4 | 13223322322132 |
5 | 231003012024 |
6 | 20443533154 |
7 | 3124043140 |
oct | 753727236 |
9 | 288575577 |
10 | 128954014 |
11 | 66878072 |
12 | 3722a1ba |
13 | 20940667 |
14 | 131aac90 |
15 | b4c38e4 |
hex | 7afae9e |
128954014 has 16 divisors (see below), whose sum is σ = 221267808. Its totient is φ = 55215072.
The previous prime is 128954003. The next prime is 128954047. The reversal of 128954014 is 410459821.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14272 + ... + 21484.
It is an arithmetic number, because the mean of its divisors is an integer number (13829238).
Almost surely, 2128954014 is an apocalyptic number.
128954014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
128954014 is a deficient number, since it is larger than the sum of its proper divisors (92313794).
128954014 is a wasteful number, since it uses less digits than its factorization.
128954014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8499.
The product of its (nonzero) digits is 11520, while the sum is 34.
The square root of 128954014 is about 11355.7920903828. The cubic root of 128954014 is about 505.2173870473.
The spelling of 128954014 in words is "one hundred twenty-eight million, nine hundred fifty-four thousand, fourteen".
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