Base | Representation |
---|---|
bin | 101100101001011101… |
… | …100100101100111101 |
3 | 11120202001001110122010 |
4 | 230221131210230331 |
5 | 1241140201233441 |
6 | 34005022041433 |
7 | 3315001321563 |
oct | 545135445475 |
9 | 146661043563 |
10 | 47940258621 |
11 | 19371031952 |
12 | 935b119279 |
13 | 46a0109348 |
14 | 246ad63a33 |
15 | 13a8b31116 |
hex | b29764b3d |
47940258621 has 16 divisors (see below), whose sum is σ = 67684788864. Its totient is φ = 30078196224.
The previous prime is 47940258617. The next prime is 47940258631. The reversal of 47940258621 is 12685204974.
It is not a de Polignac number, because 47940258621 - 22 = 47940258617 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47940258631) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452120 + ... + 1484766.
It is an arithmetic number, because the mean of its divisors is an integer number (4230299304).
Almost surely, 247940258621 is an apocalyptic number.
It is an amenable number.
47940258621 is a deficient number, since it is larger than the sum of its proper divisors (19744530243).
47940258621 is a wasteful number, since it uses less digits than its factorization.
47940258621 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61460.
The product of its (nonzero) digits is 967680, while the sum is 48.
The spelling of 47940258621 in words is "forty-seven billion, nine hundred forty million, two hundred fifty-eight thousand, six hundred twenty-one".
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