Base | Representation |
---|---|
bin | 101111100100000100… |
… | …1011001011001101001 |
3 | 100202122110111001120112 |
4 | 1133020021121121221 |
5 | 3133141342414340 |
6 | 114531244504105 |
7 | 10244114662310 |
oct | 1371011313151 |
9 | 322573431515 |
10 | 102142154345 |
11 | 3a3556463a0 |
12 | 1796724b035 |
13 | 982a5698aa |
14 | 4d2d761277 |
15 | 29cc32c065 |
hex | 17c8259669 |
102142154345 has 32 divisors (see below), whose sum is σ = 155405399040. Its totient is φ = 62593813440.
The previous prime is 102142154333. The next prime is 102142154351. The reversal of 102142154345 is 543451241201.
It is not a de Polignac number, because 102142154345 - 24 = 102142154329 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2225627 + ... + 2271056.
It is an arithmetic number, because the mean of its divisors is an integer number (4856418720).
Almost surely, 2102142154345 is an apocalyptic number.
It is an amenable number.
102142154345 is a deficient number, since it is larger than the sum of its proper divisors (53263244695).
102142154345 is a wasteful number, since it uses less digits than its factorization.
102142154345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4496765.
The product of its (nonzero) digits is 19200, while the sum is 32.
Adding to 102142154345 its reverse (543451241201), we get a palindrome (645593395546).
The spelling of 102142154345 in words is "one hundred two billion, one hundred forty-two million, one hundred fifty-four thousand, three hundred forty-five".
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