Base | Representation |
---|---|
bin | 11100010101001100… |
… | …00110001001010110 |
3 | 1110021000120101112100 |
4 | 32022212012021112 |
5 | 222122244104332 |
6 | 10553142102530 |
7 | 1045631044101 |
oct | 161246061126 |
9 | 43230511470 |
10 | 15210144342 |
11 | 64a5803628 |
12 | 2b45a1aa46 |
13 | 1585245813 |
14 | a440c7738 |
15 | 5e04c467c |
hex | 38a986256 |
15210144342 has 12 divisors (see below), whose sum is σ = 32955312780. Its totient is φ = 5070048108.
The previous prime is 15210144317. The next prime is 15210144349. The reversal of 15210144342 is 24344101251.
15210144342 is a `hidden beast` number, since 1 + 5 + 210 + 1 + 443 + 4 + 2 = 666.
It is a super-2 number, since 2×152101443422 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15210144349) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 422503992 + ... + 422504027.
It is an arithmetic number, because the mean of its divisors is an integer number (2746276065).
Almost surely, 215210144342 is an apocalyptic number.
15210144342 is an abundant number, since it is smaller than the sum of its proper divisors (17745168438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15210144342 is a wasteful number, since it uses less digits than its factorization.
15210144342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 845008027 (or 845008024 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
Adding to 15210144342 its reverse (24344101251), we get a palindrome (39554245593).
The spelling of 15210144342 in words is "fifteen billion, two hundred ten million, one hundred forty-four thousand, three hundred forty-two".
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