Base | Representation |
---|---|
bin | 110001010001011001… |
… | …011111001011110101 |
3 | 12001120001112211022120 |
4 | 301101121133023311 |
5 | 1331322220242011 |
6 | 40145422550153 |
7 | 3552020102034 |
oct | 612131371365 |
9 | 161501484276 |
10 | 52905243381 |
11 | 204896a3441 |
12 | a305a38359 |
13 | 4cb1928253 |
14 | 27bc50c71b |
15 | 159996ca06 |
hex | c5165f2f5 |
52905243381 has 8 divisors (see below), whose sum is σ = 70770098784. Its totient is φ = 35155275120.
The previous prime is 52905243341. The next prime is 52905243427. The reversal of 52905243381 is 18334250925.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 52905243381 - 219 = 52904719093 is a prime.
It is a super-2 number, since 2×529052433812 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52905243341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28720710 + ... + 28722551.
It is an arithmetic number, because the mean of its divisors is an integer number (8846262348).
Almost surely, 252905243381 is an apocalyptic number.
It is an amenable number.
52905243381 is a deficient number, since it is larger than the sum of its proper divisors (17864855403).
52905243381 is a wasteful number, since it uses less digits than its factorization.
52905243381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57443571.
The product of its (nonzero) digits is 259200, while the sum is 42.
The spelling of 52905243381 in words is "fifty-two billion, nine hundred five million, two hundred forty-three thousand, three hundred eighty-one".
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