Base | Representation |
---|---|
bin | 1001110011100000010… |
… | …1010000100011000101 |
3 | 121002210012021122200010 |
4 | 2130320011100203011 |
5 | 10224433311032031 |
6 | 205214332540433 |
7 | 15112133464260 |
oct | 2347005204305 |
9 | 532705248603 |
10 | 168444627141 |
11 | 6548966755a |
12 | 2878b921719 |
13 | 12b6594800b |
14 | 821d27bcd7 |
15 | 45ad014246 |
hex | 27381508c5 |
168444627141 has 12 divisors (see below), whose sum is σ = 256680393056. Its totient is φ = 96252997920.
The previous prime is 168444627107. The next prime is 168444627149. The reversal of 168444627141 is 141726444861.
It is not a de Polignac number, because 168444627141 - 227 = 168310409413 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168444627149) 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, 1836001 + ... + 1925561.
Almost surely, 2168444627141 is an apocalyptic number.
It is an amenable number.
168444627141 is a deficient number, since it is larger than the sum of its proper divisors (88235765915).
168444627141 is an frugal number, since it uses more digits than its factorization.
168444627141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179132 (or 89571 counting only the distinct ones).
The product of its digits is 1032192, while the sum is 48.
The spelling of 168444627141 in words is "one hundred sixty-eight billion, four hundred forty-four million, six hundred twenty-seven thousand, one hundred forty-one".
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