Base | Representation |
---|---|
bin | 111101101110000… |
… | …1000001001101111 |
3 | 12100022220020010022 |
4 | 1323130020021233 |
5 | 13220132032431 |
6 | 541300032355 |
7 | 102214651205 |
oct | 17334101157 |
9 | 5308806108 |
10 | 2070970991 |
11 | 973011181 |
12 | 4996926bb |
13 | 270095b2b |
14 | 159091075 |
15 | c1c3107b |
hex | 7b70826f |
2070970991 has 24 divisors (see below), whose sum is σ = 2301922224. Its totient is φ = 1856574720.
The previous prime is 2070970969. The next prime is 2070971003. The reversal of 2070970991 is 1990790702.
It is not a de Polignac number, because 2070970991 - 26 = 2070970927 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2070970901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3785780 + ... + 3786326.
It is an arithmetic number, because the mean of its divisors is an integer number (95913426).
Almost surely, 22070970991 is an apocalyptic number.
2070970991 is a deficient number, since it is larger than the sum of its proper divisors (230951233).
2070970991 is a wasteful number, since it uses less digits than its factorization.
2070970991 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1031 (or 1008 counting only the distinct ones).
The product of its (nonzero) digits is 71442, while the sum is 44.
The square root of 2070970991 is about 45507.9222883225. The cubic root of 2070970991 is about 1274.6511394132.
The spelling of 2070970991 in words is "two billion, seventy million, nine hundred seventy thousand, nine hundred ninety-one".
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