| Base | Representation |
|---|---|
| bin | 111110100011000110… |
| … | …111000100010111000 |
| 3 | 20102100120021022011220 |
| 4 | 332203012320202320 |
| 5 | 2100021204000440 |
| 6 | 50504153152040 |
| 7 | 4565212040034 |
| oct | 764306704270 |
| 9 | 212316238156 |
| 10 | 67161000120 |
| 11 | 265346a7485 |
| 12 | 110240bb620 |
| 13 | 6444213b76 |
| 14 | 337195d1c4 |
| 15 | 1b312708d0 |
| hex | fa31b88b8 |
67161000120 has 128 divisors (see below), whose sum is σ = 212244364800. Its totient is φ = 16954430976.
The previous prime is 67161000119. The next prime is 67161000121. The reversal of 67161000120 is 2100016176.
67161000120 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 (67161000119) and next prime (67161000121).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67161000121) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3288982 + ... + 3309338.
It is an arithmetic number, because the mean of its divisors is an integer number (1658159100).
Almost surely, 267161000120 is an apocalyptic number.
67161000120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67161000120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106122182400).
67161000120 is an abundant number, since it is smaller than the sum of its proper divisors (145083364680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67161000120 is a wasteful number, since it uses less digits than its factorization.
67161000120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21837 (or 21833 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 24.
Adding to 67161000120 its reverse (2100016176), we get a palindrome (69261016296).
The spelling of 67161000120 in words is "sixty-seven billion, one hundred sixty-one million, one hundred twenty", and thus it is an aban number.
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