Base | Representation |
---|---|
bin | 1110111000000101… |
… | …10001000110111100 |
3 | 202121121100101122022 |
4 | 13130002301012330 |
5 | 112324042232002 |
6 | 3400302135312 |
7 | 401626443035 |
oct | 73402610674 |
9 | 22547311568 |
10 | 7986680252 |
11 | 34293000a1 |
12 | 166a881538 |
13 | 9a385b505 |
14 | 55a9dba8c |
15 | 31b268ba2 |
hex | 1dc0b11bc |
7986680252 has 6 divisors (see below), whose sum is σ = 13976690448. Its totient is φ = 3993340124.
The previous prime is 7986680231. The next prime is 7986680281. The reversal of 7986680252 is 2520866897.
It is a super-2 number, since 2×79866802522 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 7986680194 and 7986680203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998335028 + ... + 998335035.
It is an arithmetic number, because the mean of its divisors is an integer number (2329448408).
Almost surely, 27986680252 is an apocalyptic number.
It is an amenable number.
7986680252 is a deficient number, since it is larger than the sum of its proper divisors (5990010196).
7986680252 is a wasteful number, since it uses less digits than its factorization.
7986680252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1996670067 (or 1996670065 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 53.
The square root of 7986680252 is about 89368.2284259904. The cubic root of 7986680252 is about 1998.8894044029.
The spelling of 7986680252 in words is "seven billion, nine hundred eighty-six million, six hundred eighty thousand, two hundred fifty-two".
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