Base | Representation |
---|---|
bin | 1010011001001100… |
… | …0101000101000001 |
3 | 21012102220200002121 |
4 | 2212103011011001 |
5 | 21203221110033 |
6 | 1140503444241 |
7 | 126065526220 |
oct | 24623050501 |
9 | 7172820077 |
10 | 2790019393 |
11 | 1201990957 |
12 | 65a456681 |
13 | 356044465 |
14 | 1c6786cb7 |
15 | 114e1762d |
hex | a64c5141 |
2790019393 has 16 divisors (see below), whose sum is σ = 3330567936. Its totient is φ = 2285173440.
The previous prime is 2790019369. The next prime is 2790019409. The reversal of 2790019393 is 3939100972.
It is a cyclic number.
It is not a de Polignac number, because 2790019393 - 25 = 2790019361 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2790019333) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162655 + ... + 178987.
It is an arithmetic number, because the mean of its divisors is an integer number (208160496).
Almost surely, 22790019393 is an apocalyptic number.
2790019393 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
2790019393 is a deficient number, since it is larger than the sum of its proper divisors (540548543).
2790019393 is a wasteful number, since it uses less digits than its factorization.
2790019393 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17424.
The product of its (nonzero) digits is 91854, while the sum is 43.
The square root of 2790019393 is about 52820.6341593889. The cubic root of 2790019393 is about 1407.7830784065.
The spelling of 2790019393 in words is "two billion, seven hundred ninety million, nineteen thousand, three hundred ninety-three".
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