Base | Representation |
---|---|
bin | 11101111111110100110… |
… | …001000010110001111010 |
3 | 21022001211012221021011012 |
4 | 131333310301002301322 |
5 | 232233214313110210 |
6 | 4214554150433522 |
7 | 301634211315431 |
oct | 35776461026172 |
9 | 7261735837135 |
10 | 2061395831930 |
11 | 725262230056 |
12 | 2936193628a2 |
13 | 11c509240ac6 |
14 | 71ab488c118 |
15 | 3894d050305 |
hex | 1dff4c42c7a |
2061395831930 has 32 divisors (see below), whose sum is σ = 3906363836160. Its totient is φ = 781048284480.
The previous prime is 2061395831921. The next prime is 2061395831941. The reversal of 2061395831930 is 391385931602.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552332 + ... + 2104248.
It is an arithmetic number, because the mean of its divisors is an integer number (122073869880).
Almost surely, 22061395831930 is an apocalyptic number.
2061395831930 is a deficient number, since it is larger than the sum of its proper divisors (1844968004230).
2061395831930 is a wasteful number, since it uses less digits than its factorization.
2061395831930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1558934.
The product of its (nonzero) digits is 1049760, while the sum is 50.
The spelling of 2061395831930 in words is "two trillion, sixty-one billion, three hundred ninety-five million, eight hundred thirty-one thousand, nine hundred thirty".
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