Base | Representation |
---|---|
bin | 1011101100100001… |
… | …0001111010001100 |
3 | 22002210112121221110 |
4 | 2323020101322030 |
5 | 22412203304100 |
6 | 1235310332020 |
7 | 140541252042 |
oct | 27310217214 |
9 | 8083477843 |
10 | 3139509900 |
11 | 137119828a |
12 | 7374ba010 |
13 | 3b057c787 |
14 | 21ad60392 |
15 | 135950250 |
hex | bb211e8c |
3139509900 has 72 divisors (see below), whose sum is σ = 9118416384. Its totient is φ = 833998400.
The previous prime is 3139509899. The next prime is 3139509907. The reversal of 3139509900 is 99059313.
It is not an unprimeable number, because it can be changed into a prime (3139509907) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59005 + ... + 98795.
It is an arithmetic number, because the mean of its divisors is an integer number (126644672).
Almost surely, 23139509900 is an apocalyptic number.
3139509900 is a gapful number since it is divisible by the number (30) 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 3139509900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4559208192).
3139509900 is an abundant number, since it is smaller than the sum of its proper divisors (5978906484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3139509900 is a wasteful number, since it uses less digits than its factorization.
3139509900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40071 (or 40064 counting only the distinct ones).
The product of its (nonzero) digits is 32805, while the sum is 39.
The square root of 3139509900 is about 56031.3296290566. The cubic root of 3139509900 is about 1464.2681602156.
The spelling of 3139509900 in words is "three billion, one hundred thirty-nine million, five hundred nine thousand, nine hundred".
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