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48745994856 = 23313537393989
BaseRepresentation
bin101101011001011111…
…001101101001101000
311122211012012002221220
4231121133031221220
51244312433313411
634221003502040
73343654056036
oct553137155150
9148735162856
1048745994856
1119744930469
129544b27920
13479b01a150
142505d83556
15140473cb06
hexb597cda68

48745994856 has 128 divisors (see below), whose sum is σ = 133929936000. Its totient is φ = 14692174848.

The previous prime is 48745994851. The next prime is 48745994867. The reversal of 48745994856 is 65849954784.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (48745994851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12218110 + ... + 12222098.

It is an arithmetic number, because the mean of its divisors is an integer number (1046327625).

Almost surely, 248745994856 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 48745994856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66964968000).

48745994856 is an abundant number, since it is smaller than the sum of its proper divisors (85183941144).

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

48745994856 is a wasteful number, since it uses less digits than its factorization.

48745994856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4803 (or 4799 counting only the distinct ones).

The product of its digits is 348364800, while the sum is 69.

The spelling of 48745994856 in words is "forty-eight billion, seven hundred forty-five million, nine hundred ninety-four thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 53 78 104 106 156 159 212 312 318 424 636 689 739 1272 1378 1478 2067 2217 2756 2956 3989 4134 4434 5512 5912 7978 8268 8868 9607 11967 15956 16536 17736 19214 23934 28821 31912 38428 39167 47868 51857 57642 76856 78334 95736 103714 115284 117501 155571 156668 207428 211417 230568 235002 311142 313336 414856 422834 470004 509171 622284 634251 845668 940008 1018342 1244568 1268502 1527513 1691336 2036684 2537004 2748421 2947871 3055026 4073368 5074008 5496842 5895742 6110052 8245263 8843613 10993684 11791484 12220104 16490526 17687226 21987368 23582968 32981052 35374452 38322323 65962104 70748904 76644646 114966969 153289292 156237163 229933938 306578584 312474326 459867876 468711489 624948652 919735752 937422978 1249897304 1874845956 2031083119 3749691912 4062166238 6093249357 8124332476 12186498714 16248664952 24372997428 48745994856