Base | Representation |
---|---|
bin | 111010101110100… |
… | …0001010111011111 |
3 | 12002022220220111210 |
4 | 1311131001113133 |
5 | 13013424321142 |
6 | 523311315503 |
7 | 66555221355 |
oct | 16535012737 |
9 | 5068826453 |
10 | 1970542047 |
11 | 921357451 |
12 | 46bb1bb93 |
13 | 255332016 |
14 | 1499cb7d5 |
15 | b7ee449c |
hex | 757415df |
1970542047 has 8 divisors (see below), whose sum is σ = 2627845120. Its totient is φ = 1313466840.
The previous prime is 1970542039. The next prime is 1970542061. The reversal of 1970542047 is 7402450791.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1970542047 - 23 = 1970542039 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1970541996 and 1970542014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1970542087) by changing a digit.
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, 35647 + ... + 72192.
It is an arithmetic number, because the mean of its divisors is an integer number (328480640).
Almost surely, 21970542047 is an apocalyptic number.
1970542047 is a deficient number, since it is larger than the sum of its proper divisors (657303073).
1970542047 is a wasteful number, since it uses less digits than its factorization.
1970542047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113933.
The product of its (nonzero) digits is 70560, while the sum is 39.
The square root of 1970542047 is about 44390.7878618977. The cubic root of 1970542047 is about 1253.7046463231.
The spelling of 1970542047 in words is "one billion, nine hundred seventy million, five hundred forty-two thousand, forty-seven".
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