Base | Representation |
---|---|
bin | 1010001101111100… |
… | …1100010000011000 |
3 | 21002011011212111210 |
4 | 2203133030100120 |
5 | 21104133102442 |
6 | 1132101023120 |
7 | 124653643521 |
oct | 24337142030 |
9 | 7064155453 |
10 | 2742862872 |
11 | 1188302522 |
12 | 6466b4aa0 |
13 | 3493433a9 |
14 | 1c03cd848 |
15 | 110c0019c |
hex | a37cc418 |
2742862872 has 32 divisors (see below), whose sum is σ = 6951095280. Its totient is φ = 901762560.
The previous prime is 2742862853. The next prime is 2742862879. The reversal of 2742862872 is 2782682472.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2742862879) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781029 + ... + 784532.
Almost surely, 22742862872 is an apocalyptic number.
It is an amenable number.
2742862872 is an abundant number, since it is smaller than the sum of its proper divisors (4208232408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2742862872 is a wasteful number, since it uses less digits than its factorization.
2742862872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1565643 (or 1565639 counting only the distinct ones).
The product of its digits is 1204224, while the sum is 48.
The square root of 2742862872 is about 52372.3483529238. The cubic root of 2742862872 is about 1399.8065841644.
The spelling of 2742862872 in words is "two billion, seven hundred forty-two million, eight hundred sixty-two thousand, eight hundred seventy-two".
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