Base | Representation |
---|---|
bin | 101101101100010100… |
… | …011110010110011100 |
3 | 11200122012201010112000 |
4 | 231230110132112130 |
5 | 1300434324244110 |
6 | 34312211442300 |
7 | 3354541444500 |
oct | 555424362634 |
9 | 150565633460 |
10 | 49061946780 |
11 | 1989720a860 |
12 | 96128b6390 |
13 | 481b611952 |
14 | 2535d0a300 |
15 | 142234d1c0 |
hex | b6c51e59c |
49061946780 has 576 divisors, whose sum is σ = 197051097600. Its totient is φ = 10018391040.
The previous prime is 49061946751. The next prime is 49061946793. The reversal of 49061946780 is 8764916094.
49061946780 is a `hidden beast` number, since 4 + 90 + 6 + 19 + 467 + 80 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 17171112 + ... + 17173968.
It is an arithmetic number, because the mean of its divisors is an integer number (342102600).
Almost surely, 249061946780 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49061946780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98525548800).
49061946780 is an abundant number, since it is smaller than the sum of its proper divisors (147989150820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49061946780 is a wasteful number, since it uses less digits than its factorization.
49061946780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2959 (or 2944 counting only the distinct ones).
The product of its (nonzero) digits is 2612736, while the sum is 54.
The spelling of 49061946780 in words is "forty-nine billion, sixty-one million, nine hundred forty-six thousand, seven hundred eighty".
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