Base | Representation |
---|---|
bin | 11100111010111110… |
… | …000100100100011100 |
3 | 2222011012210210212200 |
4 | 130322332010210130 |
5 | 1002044323334434 |
6 | 22133245331500 |
7 | 2146356450426 |
oct | 347276044434 |
9 | 88135723780 |
10 | 31054121244 |
11 | 12196272a13 |
12 | 6027b66b90 |
13 | 2c0b8a1493 |
14 | 1708443816 |
15 | c1b44b199 |
hex | 73af8491c |
31054121244 has 18 divisors (see below), whose sum is σ = 78497917680. Its totient is φ = 10351373736.
The previous prime is 31054121239. The next prime is 31054121317. The reversal of 31054121244 is 44212145013.
31054121244 is a `hidden beast` number, since 3 + 1 + 0 + 5 + 412 + 1 + 244 = 666.
It is a tau number, because it is divible by the number of its divisors (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 431307204 + ... + 431307275.
Almost surely, 231054121244 is an apocalyptic number.
It is an amenable number.
31054121244 is an abundant number, since it is smaller than the sum of its proper divisors (47443796436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31054121244 is a wasteful number, since it uses less digits than its factorization.
31054121244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 862614489 (or 862614484 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
Adding to 31054121244 its reverse (44212145013), we get a palindrome (75266266257).
The spelling of 31054121244 in words is "thirty-one billion, fifty-four million, one hundred twenty-one thousand, two hundred forty-four".
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