Base | Representation |
---|---|
bin | 10111001110010111100100… |
… | …101011111111101100110011 |
3 | 111101122201112020111121100200 |
4 | 113032113210223333230303 |
5 | 101342000221211121111 |
6 | 1001123332351250243 |
7 | 30341356141536633 |
oct | 2716274453775463 |
9 | 441581466447320 |
10 | 102142454004531 |
11 | 2a60040a48a016 |
12 | b557a85219983 |
13 | 44cbcb87b5c95 |
14 | 1b31a14baa6c3 |
15 | bc1e5db61256 |
hex | 5ce5e4affb33 |
102142454004531 has 12 divisors (see below), whose sum is σ = 147540655307760. Its totient is φ = 68094251607600.
The previous prime is 102142454004517. The next prime is 102142454004533. The reversal of 102142454004531 is 135400454241201.
102142454004531 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 4 + 245 + 400 + 4 + 5 + 3 + 1 = 666.
It is not a de Polignac number, because 102142454004531 - 25 = 102142454004499 is a prime.
It is a super-2 number, since 2×1021424540045312 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (102142454004533) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58908696 + ... + 60617813.
It is an arithmetic number, because the mean of its divisors is an integer number (12295054608980).
Almost surely, 2102142454004531 is an apocalyptic number.
102142454004531 is a deficient number, since it is larger than the sum of its proper divisors (45398201303229).
102142454004531 is a wasteful number, since it uses less digits than its factorization.
102142454004531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119621466 (or 119621463 counting only the distinct ones).
The product of its (nonzero) digits is 76800, while the sum is 36.
The spelling of 102142454004531 in words is "one hundred two trillion, one hundred forty-two billion, four hundred fifty-four million, four thousand, five hundred thirty-one".
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