Base | Representation |
---|---|
bin | 111010101010111… |
… | …1111110011111111 |
3 | 12002012110100121200 |
4 | 1311111333303333 |
5 | 13012441410141 |
6 | 523204030543 |
7 | 66533452050 |
oct | 16525776377 |
9 | 5065410550 |
10 | 1968700671 |
11 | 920309a53 |
12 | 46b392453 |
13 | 254b38b52 |
14 | 14966c727 |
15 | b7c7dab6 |
hex | 7557fcff |
1968700671 has 12 divisors (see below), whose sum is σ = 3249918672. Its totient is φ = 1124971776.
The previous prime is 1968700639. The next prime is 1968700753. The reversal of 1968700671 is 1760078691.
It is not a de Polignac number, because 1968700671 - 25 = 1968700639 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1968700621) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15624546 + ... + 15624671.
It is an arithmetic number, because the mean of its divisors is an integer number (270826556).
Almost surely, 21968700671 is an apocalyptic number.
1968700671 is a deficient number, since it is larger than the sum of its proper divisors (1281218001).
1968700671 is a wasteful number, since it uses less digits than its factorization.
1968700671 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31249230 (or 31249227 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 45.
The square root of 1968700671 is about 44370.0424949087. The cubic root of 1968700671 is about 1253.3140158876.
The spelling of 1968700671 in words is "one billion, nine hundred sixty-eight million, seven hundred thousand, six hundred seventy-one".
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