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48689213180 = 22531316924781
BaseRepresentation
bin101101010110000110…
…100110111011111100
311122200020100022010212
4231112012212323330
51244203414310210
634211214451552
73342364324556
oct552606467374
9148606308125
1048689213180
1119715878563
129529b03bb8
13478c32901a
1424dc6024d6
1513ee773805
hexb561a6efc

48689213180 has 48 divisors (see below), whose sum is σ = 105583215360. Its totient is φ = 18840729600.

The previous prime is 48689213143. The next prime is 48689213191. The reversal of 48689213180 is 8131298684.

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, 1952390 + ... + 1977170.

It is an arithmetic number, because the mean of its divisors is an integer number (2199650320).

Almost surely, 248689213180 is an apocalyptic number.

It is an amenable number.

48689213180 is an abundant number, since it is smaller than the sum of its proper divisors (56894002180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48689213180 is a wasteful number, since it uses less digits than its factorization.

48689213180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27990 (or 27988 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The spelling of 48689213180 in words is "forty-eight billion, six hundred eighty-nine million, two hundred thirteen thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 3169 6338 12676 15845 24781 31690 49562 63380 98239 99124 123905 196478 247810 392956 491195 495620 768211 982390 1536422 1964780 3072844 3841055 7682110 15364220 78530989 157061978 314123956 392654945 785309890 1570619780 2434460659 4868921318 9737842636 12172303295 24344606590 48689213180