| Base | Representation |
|---|---|
| bin | 1010100010001110010… |
| … | …1010110001001111110 |
| 3 | 122022011012101001102200 |
| 4 | 2220203211112021332 |
| 5 | 10431124304302240 |
| 6 | 215051005532330 |
| 7 | 16034664244044 |
| oct | 2504345261176 |
| 9 | 568135331380 |
| 10 | 180985619070 |
| 11 | 6a8347333a3 |
| 12 | 2b0ab8740a6 |
| 13 | 140b3bb7ab9 |
| 14 | 8a8ca82394 |
| 15 | 4a93ee8930 |
| hex | 2a2395627e |
180985619070 has 48 divisors (see below), whose sum is σ = 470907159840. Its totient is φ = 48227493312.
The previous prime is 180985619063. The next prime is 180985619077. The reversal of 180985619070 is 70916589081.
180985619070 is a `hidden beast` number, since 1 + 8 + 0 + 9 + 8 + 561 + 9 + 0 + 70 = 666.
180985619070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (180985619063) and next prime (180985619077).
It is a super-2 number, since 2×1809856190702 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 180985618998 and 180985619016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (180985619077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 612505 + ... + 858564.
It is an arithmetic number, because the mean of its divisors is an integer number (9810565830).
Almost surely, 2180985619070 is an apocalyptic number.
180985619070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
180985619070 is an abundant number, since it is smaller than the sum of its proper divisors (289921540770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180985619070 is a wasteful number, since it uses less digits than its factorization.
180985619070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1472449 (or 1472446 counting only the distinct ones).
The product of its (nonzero) digits is 1088640, while the sum is 54.
The spelling of 180985619070 in words is "one hundred eighty billion, nine hundred eighty-five million, six hundred nineteen thousand, seventy".
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