Base | Representation |
---|---|
bin | 111010101110110… |
… | …0101101101100100 |
3 | 12002100012110201110 |
4 | 1311131211231210 |
5 | 13013444102131 |
6 | 523314425020 |
7 | 66556411365 |
oct | 16535455544 |
9 | 5070173643 |
10 | 1970690916 |
11 | 921449287 |
12 | 46bb92170 |
13 | 2553849cc |
14 | 149a29b6c |
15 | b8023646 |
hex | 75765b64 |
1970690916 has 24 divisors (see below), whose sum is σ = 4599481824. Its totient is φ = 656725120.
The previous prime is 1970690893. The next prime is 1970690941. The reversal of 1970690916 is 6190960791.
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, 31531 + ... + 70253.
It is an arithmetic number, because the mean of its divisors is an integer number (191645076).
Almost surely, 21970690916 is an apocalyptic number.
It is an amenable number.
1970690916 is an abundant number, since it is smaller than the sum of its proper divisors (2628790908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1970690916 is a wasteful number, since it uses less digits than its factorization.
1970690916 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42971 (or 42969 counting only the distinct ones).
The product of its (nonzero) digits is 183708, while the sum is 48.
The square root of 1970690916 is about 44392.4646308357. The cubic root of 1970690916 is about 1253.7362168339.
The spelling of 1970690916 in words is "one billion, nine hundred seventy million, six hundred ninety thousand, nine hundred sixteen".
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