Base | Representation |
---|---|
bin | 101001010101101… |
… | …0110110110011010 |
3 | 10120200001212001102 |
4 | 1102223112312122 |
5 | 10320044104443 |
6 | 345350151402 |
7 | 46242064013 |
oct | 12253266632 |
9 | 3520055042 |
10 | 1387097498 |
11 | 651a86976 |
12 | 328652562 |
13 | 1914b1a67 |
14 | d231400a |
15 | 81b96cb8 |
hex | 52ad6d9a |
1387097498 has 16 divisors (see below), whose sum is σ = 2103506496. Its totient is φ = 685945920.
The previous prime is 1387097401. The next prime is 1387097519. The reversal of 1387097498 is 8947907831.
It is an unprimeable number.
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, 177665 + ... + 185307.
It is an arithmetic number, because the mean of its divisors is an integer number (131469156).
Almost surely, 21387097498 is an apocalyptic number.
1387097498 is a deficient number, since it is larger than the sum of its proper divisors (716408998).
1387097498 is a wasteful number, since it uses less digits than its factorization.
1387097498 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8629.
The product of its (nonzero) digits is 3048192, while the sum is 56.
The square root of 1387097498 is about 37243.7578394018. The cubic root of 1387097498 is about 1115.2416906540.
The spelling of 1387097498 in words is "one billion, three hundred eighty-seven million, ninety-seven thousand, four hundred ninety-eight".
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