| Base | Representation |
|---|---|
| bin | 1011011101111111… |
| … | …01111101011110000 |
| 3 | 120220002210201100200 |
| 4 | 11232333233223300 |
| 5 | 100102213441230 |
| 6 | 2454545315200 |
| 7 | 305403044100 |
| oct | 55677575360 |
| 9 | 16802721320 |
| 10 | 6157171440 |
| 11 | 267a621042 |
| 12 | 123a035b00 |
| 13 | 771808c14 |
| 14 | 425a43200 |
| 15 | 260832160 |
| hex | 16efefaf0 |
6157171440 has 360 divisors, whose sum is σ = 24202245600. Its totient is φ = 1398684672.
The previous prime is 6157171439. The next prime is 6157171463. The reversal of 6157171440 is 441717516.
It is a tau number, because it is divible by the number of its divisors (360).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 6157171395 and 6157171404.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7020282 + ... + 7021158.
It is an arithmetic number, because the mean of its divisors is an integer number (67228460).
Almost surely, 26157171440 is an apocalyptic number.
6157171440 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 6157171440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12101122800).
6157171440 is an abundant number, since it is smaller than the sum of its proper divisors (18045074160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6157171440 is a wasteful number, since it uses less digits than its factorization.
6157171440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1109 (or 1093 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 36.
The square root of 6157171440 is about 78467.6458166039. The cubic root of 6157171440 is about 1832.8506677229.
Adding to 6157171440 its reverse (441717516), we get a palindrome (6598888956).
The spelling of 6157171440 in words is "six billion, one hundred fifty-seven million, one hundred seventy-one thousand, four hundred forty".
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