Base | Representation |
---|---|
bin | 1110010010001001… |
… | …00010000001001111 |
3 | 201210102101211210021 |
4 | 13021010202001033 |
5 | 111201101010011 |
6 | 3304531523011 |
7 | 361013055160 |
oct | 71104420117 |
9 | 21712354707 |
10 | 7668375631 |
11 | 3285664124 |
12 | 15a0159467 |
13 | 952921b97 |
14 | 52a621767 |
15 | 2ed341471 |
hex | 1c912204f |
7668375631 has 8 divisors (see below), whose sum is σ = 8967668864. Its totient is φ = 6420035160.
The previous prime is 7668375613. The next prime is 7668375641. The reversal of 7668375631 is 1365738667.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 7668375631 - 215 = 7668342863 is a prime.
It is a super-2 number, since 2×76683756312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7668375641) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12737865 + ... + 12738466.
It is an arithmetic number, because the mean of its divisors is an integer number (1120958608).
Almost surely, 27668375631 is an apocalyptic number.
7668375631 is a deficient number, since it is larger than the sum of its proper divisors (1299293233).
7668375631 is a wasteful number, since it uses less digits than its factorization.
7668375631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25476381.
The product of its digits is 3810240, while the sum is 52.
The square root of 7668375631 is about 87569.2619073611. The cubic root of 7668375631 is about 1971.9737346275.
The spelling of 7668375631 in words is "seven billion, six hundred sixty-eight million, three hundred seventy-five thousand, six hundred thirty-one".
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