Base | Representation |
---|---|
bin | 1010111100111110… |
… | …1101100011110000 |
3 | 21120220101011021210 |
4 | 2233033231203300 |
5 | 22010133202233 |
6 | 1203425120120 |
7 | 132600464103 |
oct | 25717554360 |
9 | 7526334253 |
10 | 2940131568 |
11 | 127969a400 |
12 | 6a0789040 |
13 | 37b18242a |
14 | 1dc6a073a |
15 | 1231ba163 |
hex | af3ed8f0 |
2940131568 has 120 divisors (see below), whose sum is σ = 8373714048. Its totient is φ = 888272000.
The previous prime is 2940131549. The next prime is 2940131609. The reversal of 2940131568 is 8651310492.
It is a congruent number.
It is an unprimeable number.
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, 2851213 + ... + 2852243.
Almost surely, 22940131568 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2940131568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4186857024).
2940131568 is an abundant number, since it is smaller than the sum of its proper divisors (5433582480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2940131568 is a wasteful number, since it uses less digits than its factorization.
2940131568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1555 (or 1538 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 39.
The square root of 2940131568 is about 54222.9800730281. The cubic root of 2940131568 is about 1432.5911206653.
The spelling of 2940131568 in words is "two billion, nine hundred forty million, one hundred thirty-one thousand, five hundred sixty-eight".
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