Base | Representation |
---|---|
bin | 100000010111000101001000… |
… | …010110011111001101101001 |
3 | 200122220222221120100120022011 |
4 | 200113011020112133031221 |
5 | 122123312110024021441 |
6 | 1222410311203155521 |
7 | 41656352061105640 |
oct | 4027051026371551 |
9 | 618828846316264 |
10 | 142323545142121 |
11 | 41392092958072 |
12 | 13b6730b375ba1 |
13 | 615508ba91b15 |
14 | 27206d3d54357 |
15 | 116c266c6b581 |
hex | 81714859f369 |
142323545142121 has 8 divisors (see below), whose sum is σ = 162656031390464. Its totient is φ = 121991196700800.
The previous prime is 142323545142089. The next prime is 142323545142137. The reversal of 142323545142121 is 121241545323241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142323545142121 - 25 = 142323545142089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142323545145121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32229105 + ... + 36378046.
It is an arithmetic number, because the mean of its divisors is an integer number (20332003923808).
Almost surely, 2142323545142121 is an apocalyptic number.
It is an amenable number.
142323545142121 is a deficient number, since it is larger than the sum of its proper divisors (20332486248343).
142323545142121 is an equidigital number, since it uses as much as digits as its factorization.
142323545142121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68903511.
The product of its digits is 230400, while the sum is 40.
The spelling of 142323545142121 in words is "one hundred forty-two trillion, three hundred twenty-three billion, five hundred forty-five million, one hundred forty-two thousand, one hundred twenty-one".
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