Base | Representation |
---|---|
bin | 1000010010001010100… |
… | …1100101100100100010 |
3 | 111121100012020122210122 |
4 | 2010202221211210202 |
5 | 4312430200413111 |
6 | 145213445400242 |
7 | 13165463435126 |
oct | 2044251454442 |
9 | 447305218718 |
10 | 142315247906 |
11 | 553a027a167 |
12 | 236b9109082 |
13 | 10560445580 |
14 | 6c60d09586 |
15 | 3a7e105cdb |
hex | 2122a65922 |
142315247906 has 32 divisors (see below), whose sum is σ = 234853032960. Its totient is φ = 64267862976.
The previous prime is 142315247869. The next prime is 142315247909. The reversal of 142315247906 is 609742513241.
It is not an unprimeable number, because it can be changed into a prime (142315247909) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4774160 + ... + 4803876.
It is an arithmetic number, because the mean of its divisors is an integer number (7339157280).
Almost surely, 2142315247906 is an apocalyptic number.
142315247906 is a deficient number, since it is larger than the sum of its proper divisors (92537785054).
142315247906 is a wasteful number, since it uses less digits than its factorization.
142315247906 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33698.
The product of its (nonzero) digits is 362880, while the sum is 44.
The spelling of 142315247906 in words is "one hundred forty-two billion, three hundred fifteen million, two hundred forty-seven thousand, nine hundred six".
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