Base | Representation |
---|---|
bin | 1110011000110101000… |
… | …1001111010000100000 |
3 | 212122000121212201220222 |
4 | 3212031101033100200 |
5 | 13022212402223042 |
6 | 305315430422212 |
7 | 23600300615051 |
oct | 3461521172040 |
9 | 778017781828 |
10 | 247183242272 |
11 | 959145504aa |
12 | 3baa5201968 |
13 | 1a403645245 |
14 | bd6c6a8728 |
15 | 666a8be2d2 |
hex | 398d44f420 |
247183242272 has 54 divisors (see below), whose sum is σ = 490374588879. Its totient is φ = 122650857280.
The previous prime is 247183242197. The next prime is 247183242367. The reversal of 247183242272 is 272242381742.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 123591621136 + 123591621136 = 351556^2 + 351556^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=351556.
It is a super-2 number, since 2×2471832422722 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
Its product of digits (602112) is a multiple of the sum of its prime divisors (672).
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 503427947 + ... + 503428437.
Almost surely, 2247183242272 is an apocalyptic number.
It is an amenable number.
247183242272 is a deficient number, since it is larger than the sum of its proper divisors (243191346607).
247183242272 is an frugal number, since it uses more digits than its factorization.
247183242272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1350 (or 672 counting only the distinct ones).
The product of its digits is 602112, while the sum is 44.
The spelling of 247183242272 in words is "two hundred forty-seven billion, one hundred eighty-three million, two hundred forty-two thousand, two hundred seventy-two".
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