Base | Representation |
---|---|
bin | 10010001110100000… |
… | …111100111011110111 |
3 | 1212111221001022101011 |
4 | 102032200330323313 |
5 | 310040120401210 |
6 | 12553555413051 |
7 | 1261661445010 |
oct | 221640747367 |
9 | 55457038334 |
10 | 19570872055 |
11 | 8333279929 |
12 | 39622b4187 |
13 | 1acb808287 |
14 | d392dc007 |
15 | 798251d8a |
hex | 48e83cef7 |
19570872055 has 16 divisors (see below), whose sum is σ = 26846049600. Its totient is φ = 13417028352.
The previous prime is 19570872031. The next prime is 19570872059. The reversal of 19570872055 is 55027807591.
It is not a de Polignac number, because 19570872055 - 25 = 19570872023 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19570872059) 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, 102577 + ... + 222853.
It is an arithmetic number, because the mean of its divisors is an integer number (1677878100).
Almost surely, 219570872055 is an apocalyptic number.
19570872055 is a deficient number, since it is larger than the sum of its proper divisors (7275177545).
19570872055 is a wasteful number, since it uses less digits than its factorization.
19570872055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124938.
The product of its (nonzero) digits is 882000, while the sum is 49.
The spelling of 19570872055 in words is "nineteen billion, five hundred seventy million, eight hundred seventy-two thousand, fifty-five".
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