Base | Representation |
---|---|
bin | 11100111010111111… |
… | …101011101000110100 |
3 | 2222011020121020222112 |
4 | 130322333223220310 |
5 | 1002044430342122 |
6 | 22133302350152 |
7 | 2146363156304 |
oct | 347277535064 |
9 | 88136536875 |
10 | 31054543412 |
11 | 12196531112 |
12 | 602812b358 |
13 | 2c0b9bb699 |
14 | 1708513604 |
15 | c1b4d12e2 |
hex | 73afeba34 |
31054543412 has 48 divisors (see below), whose sum is σ = 56374422720. Its totient is φ = 14958784512.
The previous prime is 31054543391. The next prime is 31054543423. The reversal of 31054543412 is 21434545013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4252148 + ... + 4259444.
It is an arithmetic number, because the mean of its divisors is an integer number (1174467140).
Almost surely, 231054543412 is an apocalyptic number.
It is an amenable number.
31054543412 is a deficient number, since it is larger than the sum of its proper divisors (25319879308).
31054543412 is a wasteful number, since it uses less digits than its factorization.
31054543412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7680 (or 7678 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 32.
The spelling of 31054543412 in words is "thirty-one billion, fifty-four million, five hundred forty-three thousand, four hundred twelve".
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