Base | Representation |
---|---|
bin | 100000100111010101… |
… | …0100010001111011101 |
3 | 20200210011012112121001 |
4 | 1001032222202033131 |
5 | 2121420021444020 |
6 | 52101532110301 |
7 | 5026431541543 |
oct | 1011652421735 |
9 | 220704175531 |
10 | 70039249885 |
11 | 277813700a0 |
12 | 116a8005391 |
13 | 67b260a937 |
14 | 3565d11d93 |
15 | 1c4dcb550a |
hex | 104eaa23dd |
70039249885 has 8 divisors (see below), whose sum is σ = 91687745376. Its totient is φ = 50937636240.
The previous prime is 70039249799. The next prime is 70039249897. The reversal of 70039249885 is 58894293007.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 70039249885 - 215 = 70039217117 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 1273440907 = 70039249885 / (7 + 0 + 0 + 3 + 9 + 2 + 4 + 9 + 8 + 8 + 5).
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636720399 + ... + 636720508.
It is an arithmetic number, because the mean of its divisors is an integer number (11460968172).
Almost surely, 270039249885 is an apocalyptic number.
It is an amenable number.
70039249885 is a deficient number, since it is larger than the sum of its proper divisors (21648495491).
70039249885 is a wasteful number, since it uses less digits than its factorization.
70039249885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1273440923.
The product of its (nonzero) digits is 4354560, while the sum is 55.
The spelling of 70039249885 in words is "seventy billion, thirty-nine million, two hundred forty-nine thousand, eight hundred eighty-five".
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