Base | Representation |
---|---|
bin | 1000110010110100100… |
… | …1010111000010001000 |
3 | 112102222010002102021202 |
4 | 2030231021113002020 |
5 | 4433403302034340 |
6 | 153223352123332 |
7 | 13625635502633 |
oct | 2145511270210 |
9 | 472863072252 |
10 | 151081283720 |
11 | 5908949a664 |
12 | 25344996548 |
13 | 113295a9103 |
14 | 745321ac1a |
15 | 3de39b9c15 |
hex | 232d257088 |
151081283720 has 32 divisors (see below), whose sum is σ = 340140691800. Its totient is φ = 60395570688.
The previous prime is 151081283701. The next prime is 151081283723. The reversal of 151081283720 is 27382180151.
It can be written as a sum of positive squares in 4 ways, for example, as 107784829636 + 43296454084 = 328306^2 + 208078^2 .
It is not an unprimeable number, because it can be changed into a prime (151081283723) 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, 1088165 + ... + 1219124.
Almost surely, 2151081283720 is an apocalyptic number.
151081283720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
151081283720 is an abundant number, since it is smaller than the sum of its proper divisors (189059408080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151081283720 is a wasteful number, since it uses less digits than its factorization.
151081283720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2308937 (or 2308933 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 38.
The spelling of 151081283720 in words is "one hundred fifty-one billion, eighty-one million, two hundred eighty-three thousand, seven hundred twenty".
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