Base | Representation |
---|---|
bin | 110011001010100011… |
… | …0011101100011001001 |
3 | 101111121102110221102111 |
4 | 1212111012131203021 |
5 | 3300011133301411 |
6 | 122250505102321 |
7 | 10636551611536 |
oct | 1462506354311 |
9 | 344542427374 |
10 | 109875681481 |
11 | 42663a59835 |
12 | 193651879a1 |
13 | a490820457 |
14 | 54648a1d8d |
15 | 2cd123c721 |
hex | 199519d8c9 |
109875681481 has 16 divisors (see below), whose sum is σ = 113216905728. Its totient is φ = 106554571200.
The previous prime is 109875681473. The next prime is 109875681499. The reversal of 109875681481 is 184186578901.
It is a cyclic number.
It is not a de Polignac number, because 109875681481 - 23 = 109875681473 is a prime.
It is a super-2 number, since 2×1098756814812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (109875681781) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17658951 + ... + 17665171.
It is an arithmetic number, because the mean of its divisors is an integer number (7076056608).
Almost surely, 2109875681481 is an apocalyptic number.
It is an amenable number.
109875681481 is a deficient number, since it is larger than the sum of its proper divisors (3341224247).
109875681481 is a wasteful number, since it uses less digits than its factorization.
109875681481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7752.
The product of its (nonzero) digits is 3870720, while the sum is 58.
The spelling of 109875681481 in words is "one hundred nine billion, eight hundred seventy-five million, six hundred eighty-one thousand, four hundred eighty-one".
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