Base | Representation |
---|---|
bin | 10010001010110010… |
… | …010101011101000110 |
3 | 1212100120100100011222 |
4 | 102022302111131012 |
5 | 304423112220240 |
6 | 12543443000342 |
7 | 1260301661501 |
oct | 221262253506 |
9 | 55316310158 |
10 | 19508320070 |
11 | 8300a35678 |
12 | 39453690b2 |
13 | 1abb876875 |
14 | d30c98138 |
15 | 7929e7eb5 |
hex | 48ac95746 |
19508320070 has 16 divisors (see below), whose sum is σ = 35134702560. Its totient is φ = 7798944384.
The previous prime is 19508320031. The next prime is 19508320099. The reversal of 19508320070 is 7002380591.
It is a self number, because there is not a number n which added to its sum of digits gives 19508320070.
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, 529235 + ... + 564894.
It is an arithmetic number, because the mean of its divisors is an integer number (2195918910).
Almost surely, 219508320070 is an apocalyptic number.
19508320070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19508320070 is a deficient number, since it is larger than the sum of its proper divisors (15626382490).
19508320070 is a wasteful number, since it uses less digits than its factorization.
19508320070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1095919.
The product of its (nonzero) digits is 15120, while the sum is 35.
The spelling of 19508320070 in words is "nineteen billion, five hundred eight million, three hundred twenty thousand, seventy".
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