Base | Representation |
---|---|
bin | 1110001010000001010001… |
… | …00010110110111010001101 |
3 | 11002020001112021001112202211 |
4 | 13011000220202312322031 |
5 | 13040020433404002403 |
6 | 150113111321150421 |
7 | 6362053240046611 |
oct | 705005042667215 |
9 | 132201467045684 |
10 | 31130603187853 |
11 | 9a12461a21034 |
12 | 35a93a002b411 |
13 | 144a7ac5531b0 |
14 | 798a2d035341 |
15 | 38eba230106d |
hex | 1c50288b6e8d |
31130603187853 has 32 divisors (see below), whose sum is σ = 34311099070080. Its totient is φ = 28068672303360.
The previous prime is 31130603187787. The next prime is 31130603187877. The reversal of 31130603187853 is 35878130603113.
It is not a de Polignac number, because 31130603187853 - 237 = 30993164234381 is a prime.
It is a super-2 number, since 2×311306031878532 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31130603187797 and 31130603187806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31130603127853) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546688363 + ... + 546745303.
It is an arithmetic number, because the mean of its divisors is an integer number (1072221845940).
Almost surely, 231130603187853 is an apocalyptic number.
It is an amenable number.
31130603187853 is a deficient number, since it is larger than the sum of its proper divisors (3180495882227).
31130603187853 is a wasteful number, since it uses less digits than its factorization.
31130603187853 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61549.
The product of its (nonzero) digits is 1088640, while the sum is 49.
The spelling of 31130603187853 in words is "thirty-one trillion, one hundred thirty billion, six hundred three million, one hundred eighty-seven thousand, eight hundred fifty-three".
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