Base | Representation |
---|---|
bin | 11000010100101110111010… |
… | …01111111110010010110001 |
3 | 21000101111022011201020122102 |
4 | 30022113131033332102301 |
5 | 24002330322030023022 |
6 | 305432251335150145 |
7 | 14160306534441401 |
oct | 1412273517762261 |
9 | 230344264636572 |
10 | 53488939689137 |
11 | 16052594000a87 |
12 | 5bba621815355 |
13 | 23acca6b1a9b4 |
14 | d2cc42834801 |
15 | 62b583ed2a92 |
hex | 30a5dd3fe4b1 |
53488939689137 has 8 divisors (see below), whose sum is σ = 53667654390504. Its totient is φ = 53310378592768.
The previous prime is 53488939689091. The next prime is 53488939689149. The reversal of 53488939689137 is 73198693988435.
It can be written as a sum of positive squares in 4 ways, for example, as 10887419552881 + 42601520136256 = 3299609^2 + 6526984^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-53488939689137 is a prime.
It is a super-2 number, since 2×534889396891372 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53488939689637) 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, 37703618 + ... + 39096555.
It is an arithmetic number, because the mean of its divisors is an integer number (6708456798813).
Almost surely, 253488939689137 is an apocalyptic number.
It is an amenable number.
53488939689137 is a deficient number, since it is larger than the sum of its proper divisors (178714701367).
53488939689137 is a wasteful number, since it uses less digits than its factorization.
53488939689137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76802499.
The product of its digits is 8465264640, while the sum is 83.
The spelling of 53488939689137 in words is "fifty-three trillion, four hundred eighty-eight billion, nine hundred thirty-nine million, six hundred eighty-nine thousand, one hundred thirty-seven".
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