Base | Representation |
---|---|
bin | 1110110101111000… |
… | …01110001011100011 |
3 | 202120022112211211000 |
4 | 13122330032023203 |
5 | 112304323441412 |
6 | 3354401523043 |
7 | 401313321126 |
oct | 73274161343 |
9 | 22508484730 |
10 | 7968187107 |
11 | 3419919a01 |
12 | 1664643483 |
13 | 99ca84c1a |
14 | 5583863bd |
15 | 3198144dc |
hex | 1daf0e2e3 |
7968187107 has 36 divisors (see below), whose sum is σ = 12128610520. Its totient is φ = 5170191840.
The previous prime is 7968187099. The next prime is 7968187127. The reversal of 7968187107 is 7017818697.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is not a de Polignac number, because 7968187107 - 23 = 7968187099 is a prime.
It is a super-2 number, since 2×79681871072 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7968187127) 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 35 ways as a sum of consecutive naturals, for example, 19016944 + ... + 19017362.
Almost surely, 27968187107 is an apocalyptic number.
7968187107 is a deficient number, since it is larger than the sum of its proper divisors (4160423413).
7968187107 is an frugal number, since it uses more digits than its factorization.
7968187107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 929 (or 463 counting only the distinct ones).
The product of its (nonzero) digits is 1185408, while the sum is 54.
The square root of 7968187107 is about 89264.7024696772. The cubic root of 7968187107 is about 1997.3454037015.
The spelling of 7968187107 in words is "seven billion, nine hundred sixty-eight million, one hundred eighty-seven thousand, one hundred seven".
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