Base | Representation |
---|---|
bin | 1101011001000010… |
… | …01111110100010110 |
3 | 200120001001112100101 |
4 | 12230201033310112 |
5 | 104210434121430 |
6 | 3145221004314 |
7 | 343105404604 |
oct | 65441176426 |
9 | 20501045311 |
10 | 7189363990 |
11 | 305a232636 |
12 | 148785369a |
13 | 8a7608043 |
14 | 4c2b70874 |
15 | 2c1271dca |
hex | 1ac84fd16 |
7189363990 has 16 divisors (see below), whose sum is σ = 12947739840. Its totient is φ = 2874215680.
The previous prime is 7189363967. The next prime is 7189363991. The reversal of 7189363990 is 993639817.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7189363991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171406 + ... + 209185.
It is an arithmetic number, because the mean of its divisors is an integer number (809233740).
Almost surely, 27189363990 is an apocalyptic number.
7189363990 is a deficient number, since it is larger than the sum of its proper divisors (5758375850).
7189363990 is a wasteful number, since it uses less digits than its factorization.
7189363990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 382487.
The product of its (nonzero) digits is 2204496, while the sum is 55.
The square root of 7189363990 is about 84790.1172896936. The cubic root of 7189363990 is about 1930.0274714874.
The spelling of 7189363990 in words is "seven billion, one hundred eighty-nine million, three hundred sixty-three thousand, nine hundred ninety".
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