Base | Representation |
---|---|
bin | 1110111001001100… |
… | …11100010001111001 |
3 | 202122020221111222211 |
4 | 13130212130101321 |
5 | 112333441011441 |
6 | 3401234415121 |
7 | 402102103000 |
oct | 73446342171 |
9 | 22566844884 |
10 | 7996032121 |
11 | 3433608310 |
12 | 1671a314a1 |
13 | 9a578406c |
14 | 55bd53c37 |
15 | 31beb4a81 |
hex | 1dc99c479 |
7996032121 has 64 divisors (see below), whose sum is σ = 10559692800. Its totient is φ = 5998164480.
The previous prime is 7996032101. The next prime is 7996032139. The reversal of 7996032121 is 1212306997.
It is not a de Polignac number, because 7996032121 - 231 = 5848548473 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7996032101) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11880841 + ... + 11881513.
It is an arithmetic number, because the mean of its divisors is an integer number (164995200).
Almost surely, 27996032121 is an apocalyptic number.
It is an amenable number.
7996032121 is a deficient number, since it is larger than the sum of its proper divisors (2563660679).
7996032121 is a wasteful number, since it uses less digits than its factorization.
7996032121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 819 (or 805 counting only the distinct ones).
The product of its (nonzero) digits is 40824, while the sum is 40.
The square root of 7996032121 is about 89420.5352310083. The cubic root of 7996032121 is about 1999.6692887347.
The spelling of 7996032121 in words is "seven billion, nine hundred ninety-six million, thirty-two thousand, one hundred twenty-one".
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