Base | Representation |
---|---|
bin | 110001110001111010… |
… | …010001101110110110 |
3 | 12002222001221101202210 |
4 | 301301322101232312 |
5 | 1333431340204232 |
6 | 40315510114250 |
7 | 3601362352410 |
oct | 616172215666 |
9 | 162861841683 |
10 | 53450709942 |
11 | 20739594553 |
12 | a43864b986 |
13 | 506a93c126 |
14 | 2830b3b9b0 |
15 | 15cc7b75cc |
hex | c71e91bb6 |
53450709942 has 32 divisors (see below), whose sum is σ = 122194704384. Its totient is φ = 15268924800.
The previous prime is 53450709911. The next prime is 53450709943. The reversal of 53450709942 is 24990705435.
It is a junction number, because it is equal to n+sod(n) for n = 53450709891 and 53450709900.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53450709943) 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, 133342 + ... + 353102.
It is an arithmetic number, because the mean of its divisors is an integer number (3818584512).
Almost surely, 253450709942 is an apocalyptic number.
53450709942 is an abundant number, since it is smaller than the sum of its proper divisors (68743994442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53450709942 is a wasteful number, since it uses less digits than its factorization.
53450709942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 225564.
The product of its (nonzero) digits is 1360800, while the sum is 48.
The spelling of 53450709942 in words is "fifty-three billion, four hundred fifty million, seven hundred nine thousand, nine hundred forty-two".
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