Base | Representation |
---|---|
bin | 110010001110110010… |
… | …1010000001010001101 |
3 | 101022102200100111221221 |
4 | 1210131211100022031 |
5 | 3231404321042211 |
6 | 121315514523341 |
7 | 10536063004162 |
oct | 1443545201215 |
9 | 338380314857 |
10 | 107870487181 |
11 | 41825094666 |
12 | 18aa5736551 |
13 | a231277a52 |
14 | 5314454069 |
15 | 2c151a0c71 |
hex | 191d95028d |
107870487181 has 2 divisors, whose sum is σ = 107870487182. Its totient is φ = 107870487180.
The previous prime is 107870487169. The next prime is 107870487199. The reversal of 107870487181 is 181784078701.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 59272284681 + 48598202500 = 243459^2 + 220450^2 .
It is a cyclic number.
It is not a de Polignac number, because 107870487181 - 211 = 107870485133 is a prime.
It is a super-2 number, since 2×1078704871812 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (107870487281) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53935243590 + 53935243591.
It is an arithmetic number, because the mean of its divisors is an integer number (53935243591).
Almost surely, 2107870487181 is an apocalyptic number.
It is an amenable number.
107870487181 is a deficient number, since it is larger than the sum of its proper divisors (1).
107870487181 is an equidigital number, since it uses as much as digits as its factorization.
107870487181 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 702464, while the sum is 52.
The spelling of 107870487181 in words is "one hundred seven billion, eight hundred seventy million, four hundred eighty-seven thousand, one hundred eighty-one".
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