Base | Representation |
---|---|
bin | 101111100100011011… |
… | …1001010011000100101 |
3 | 100202200022001120112011 |
4 | 1133020313022120211 |
5 | 3133202430321321 |
6 | 114532353554221 |
7 | 10244321650315 |
oct | 1371067123045 |
9 | 322608046464 |
10 | 102154151461 |
11 | 3a36139aa6a |
12 | 1796b275971 |
13 | 982cbaa48b |
14 | 4d311a5445 |
15 | 29cd3ebae1 |
hex | 17c8dca625 |
102154151461 has 8 divisors (see below), whose sum is σ = 108194972184. Its totient is φ = 96116858880.
The previous prime is 102154151441. The next prime is 102154151503. The reversal of 102154151461 is 164151451201.
It can be written as a sum of positive squares in 4 ways, for example, as 39245987236 + 62908164225 = 198106^2 + 250815^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 102154151461 - 213 = 102154143269 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102154151441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822300 + ... + 938341.
It is an arithmetic number, because the mean of its divisors is an integer number (13524371523).
Almost surely, 2102154151461 is an apocalyptic number.
It is an amenable number.
102154151461 is a deficient number, since it is larger than the sum of its proper divisors (6040820723).
102154151461 is a wasteful number, since it uses less digits than its factorization.
102154151461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1764071.
The product of its (nonzero) digits is 4800, while the sum is 31.
The spelling of 102154151461 in words is "one hundred two billion, one hundred fifty-four million, one hundred fifty-one thousand, four hundred sixty-one".
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