Base | Representation |
---|---|
bin | 10001101101101111010… |
… | …001110100011100111010 |
3 | 11022101011201000220010110 |
4 | 101231233101310130322 |
5 | 124421104211441114 |
6 | 2331123422325150 |
7 | 153643613052555 |
oct | 21555721643472 |
9 | 4271151026113 |
10 | 1217342687034 |
11 | 42a2aa2355a1 |
12 | 177b197297b6 |
13 | 8aa445a37b6 |
14 | 42cc392d69c |
15 | 219ec504759 |
hex | 11b6f47473a |
1217342687034 has 32 divisors (see below), whose sum is σ = 2437534448640. Its totient is φ = 405306292032.
The previous prime is 1217342686981. The next prime is 1217342687039. The reversal of 1217342687034 is 4307862437121.
It is not an unprimeable number, because it can be changed into a prime (1217342687039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21562407 + ... + 21618789.
It is an arithmetic number, because the mean of its divisors is an integer number (76172951520).
Almost surely, 21217342687034 is an apocalyptic number.
1217342687034 is an abundant number, since it is smaller than the sum of its proper divisors (1220191761606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1217342687034 is a wasteful number, since it uses less digits than its factorization.
1217342687034 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60534.
The product of its (nonzero) digits is 1354752, while the sum is 48.
The spelling of 1217342687034 in words is "one trillion, two hundred seventeen billion, three hundred forty-two million, six hundred eighty-seven thousand, thirty-four".
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