Base | Representation |
---|---|
bin | 1010001110100111… |
… | …1011111010110110 |
3 | 21002100110222020220 |
4 | 2203221323322312 |
5 | 21110343221132 |
6 | 1132241235210 |
7 | 125016614424 |
oct | 24351737266 |
9 | 7070428226 |
10 | 2745679542 |
11 | 1189956751 |
12 | 647632b06 |
13 | 349abb468 |
14 | 1c0924114 |
15 | 1110a9a2c |
hex | a3a7beb6 |
2745679542 has 16 divisors (see below), whose sum is σ = 5491981872. Its totient is φ = 915122720.
The previous prime is 2745679477. The next prime is 2745679583. The reversal of 2745679542 is 2459765472.
It is a super-2 number, since 2×27456795422 = 15077512294714659528, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47248 + ... + 87884.
It is an arithmetic number, because the mean of its divisors is an integer number (343248867).
Almost surely, 22745679542 is an apocalyptic number.
2745679542 is an abundant number, since it is smaller than the sum of its proper divisors (2746302330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2745679542 is a wasteful number, since it uses less digits than its factorization.
2745679542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51903.
The product of its digits is 4233600, while the sum is 51.
The square root of 2745679542 is about 52399.2322653682. The cubic root of 2745679542 is about 1400.2855781371.
The spelling of 2745679542 in words is "two billion, seven hundred forty-five million, six hundred seventy-nine thousand, five hundred forty-two".
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