Base | Representation |
---|---|
bin | 1110110100001… |
… | …10010001110001 |
3 | 22122212011210220 |
4 | 13122012101301 |
5 | 223304010334 |
6 | 20155443253 |
7 | 3036244050 |
oct | 732062161 |
9 | 278764726 |
10 | 124281969 |
11 | 64176979 |
12 | 35756529 |
13 | 1c995c36 |
14 | 12712397 |
15 | ad9e449 |
hex | 7686471 |
124281969 has 8 divisors (see below), whose sum is σ = 189382080. Its totient is φ = 71018256.
The previous prime is 124281961. The next prime is 124281991. The reversal of 124281969 is 969182421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 124281969 - 23 = 124281961 is a prime.
It is a super-2 number, since 2×1242819692 = 30892015637033922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 124281969.
It is not an unprimeable number, because it can be changed into a prime (124281961) 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 in 7 ways as a sum of consecutive naturals, for example, 2959074 + ... + 2959115.
It is an arithmetic number, because the mean of its divisors is an integer number (23672760).
Almost surely, 2124281969 is an apocalyptic number.
It is an amenable number.
124281969 is a deficient number, since it is larger than the sum of its proper divisors (65100111).
124281969 is an equidigital number, since it uses as much as digits as its factorization.
124281969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5918199.
The product of its digits is 62208, while the sum is 42.
The square root of 124281969 is about 11148.1823182078. The cubic root of 124281969 is about 499.0407863283.
It can be divided in two parts, 124281 and 969, that added together give a triangular number (125250 = T500).
The spelling of 124281969 in words is "one hundred twenty-four million, two hundred eighty-one thousand, nine hundred sixty-nine".
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