Base | Representation |
---|---|
bin | 111010110001100… |
… | …1100100110001100 |
3 | 12002102222011011121 |
4 | 1311203030212030 |
5 | 13014333122113 |
6 | 523410130324 |
7 | 66605043154 |
oct | 16543144614 |
9 | 5072864147 |
10 | 1972160908 |
11 | 922262753 |
12 | 4705809a4 |
13 | 25577ab23 |
14 | 149ccd764 |
15 | b8213e8d |
hex | 758cc98c |
1972160908 has 6 divisors (see below), whose sum is σ = 3451281596. Its totient is φ = 986080452.
The previous prime is 1972160903. The next prime is 1972160929. The reversal of 1972160908 is 8090612791.
It is not an unprimeable number, because it can be changed into a prime (1972160903) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246520110 + ... + 246520117.
Almost surely, 21972160908 is an apocalyptic number.
It is an amenable number.
1972160908 is a deficient number, since it is larger than the sum of its proper divisors (1479120688).
1972160908 is a wasteful number, since it uses less digits than its factorization.
1972160908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 493040231 (or 493040229 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 43.
The square root of 1972160908 is about 44409.0183183551. The cubic root of 1972160908 is about 1254.0478713473.
The spelling of 1972160908 in words is "one billion, nine hundred seventy-two million, one hundred sixty thousand, nine hundred eight".
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