| Base | Representation |
|---|---|
| bin | 110001110011001… |
| … | …0110111111011110 |
| 3 | 11022110021121010000 |
| 4 | 1203212112333132 |
| 5 | 11410234000110 |
| 6 | 433451155130 |
| 7 | 56260160130 |
| oct | 14346267736 |
| 9 | 4273247100 |
| 10 | 1671000030 |
| 11 | 788266067 |
| 12 | 3a7745aa6 |
| 13 | 20826481b |
| 14 | 11bcd7050 |
| 15 | 9ba761c0 |
| hex | 63996fde |
1671000030 has 160 divisors (see below), whose sum is σ = 5405621760. Its totient is φ = 361817280.
The previous prime is 1671000013. The next prime is 1671000047. The reversal of 1671000030 is 300001761.
It is an interprime number because it is at equal distance from previous prime (1671000013) and next prime (1671000047).
It is a super-2 number, since 2×16710000302 = 5584482200520001800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1670999967 and 1671000012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 99975 + ... + 115485.
It is an arithmetic number, because the mean of its divisors is an integer number (33785136).
Almost surely, 21671000030 is an apocalyptic number.
1671000030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1671000030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2702810880).
1671000030 is an abundant number, since it is smaller than the sum of its proper divisors (3734621730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1671000030 is a wasteful number, since it uses less digits than its factorization.
1671000030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15556 (or 15547 counting only the distinct ones).
The product of its (nonzero) digits is 126, while the sum is 18.
The square root of 1671000030 is about 40877.8672388861. The cubic root of 1671000030 is about 1186.6577662962.
Adding to 1671000030 its reverse (300001761), we get a palindrome (1971001791).
The spelling of 1671000030 in words is "one billion, six hundred seventy-one million, thirty", and thus it is an aban number.
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