Base | Representation |
---|---|
bin | 1110100010000100… |
… | …01000101011000000 |
3 | 202010201202220021212 |
4 | 13101002020223000 |
5 | 111434300341443 |
6 | 3330103105252 |
7 | 364224416240 |
oct | 72102105300 |
9 | 22121686255 |
10 | 7801965248 |
11 | 3344007a70 |
12 | 1618a42228 |
13 | 9744c64ac |
14 | 540277b20 |
15 | 309e2d618 |
hex | 1d1088ac0 |
7801965248 has 56 divisors (see below), whose sum is σ = 19302276864. Its totient is φ = 3039724800.
The previous prime is 7801965191. The next prime is 7801965251. The reversal of 7801965248 is 8425691087.
It is a tau number, because it is divible by the number of its divisors (56).
It is a junction number, because it is equal to n+sod(n) for n = 7801965196 and 7801965205.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786668 + ... + 796523.
Almost surely, 27801965248 is an apocalyptic number.
It is an amenable number.
7801965248 is an abundant number, since it is smaller than the sum of its proper divisors (11500311616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7801965248 is a wasteful number, since it uses less digits than its factorization.
7801965248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1583221 (or 1583211 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 50.
The square root of 7801965248 is about 88328.7339884366. The cubic root of 7801965248 is about 1983.3590270302.
The spelling of 7801965248 in words is "seven billion, eight hundred one million, nine hundred sixty-five thousand, two hundred forty-eight".
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