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2881497056 = 25414783563
BaseRepresentation
bin1010101111000000…
…0010011111100000
321102211001012212012
42223300002133200
521400130401211
61153532252052
7131256215024
oct25360023740
97384035765
102881497056
111249591429
12685011028
1336bc92b59
141d499a384
1511ce86d8b
hexabc027e0

2881497056 has 96 divisors (see below), whose sum is σ = 6017131008. Its totient is φ = 1356712960.

The previous prime is 2881497029. The next prime is 2881497067. The reversal of 2881497056 is 6507941882.

It is a junction number, because it is equal to n+sod(n) for n = 2881496995 and 2881497013.

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, 5117831 + ... + 5118393.

It is an arithmetic number, because the mean of its divisors is an integer number (62678448).

Almost surely, 22881497056 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 2881497056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3008565504).

2881497056 is an abundant number, since it is smaller than the sum of its proper divisors (3135633952).

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

2881497056 is a wasteful number, since it uses less digits than its factorization.

2881497056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 2881497056 is about 53679.5776436440. The cubic root of 2881497056 is about 1423.0038007815.

The spelling of 2881497056 in words is "two billion, eight hundred eighty-one million, four hundred ninety-seven thousand, fifty-six".

Divisors: 1 2 4 8 16 32 41 47 82 83 94 164 166 188 328 332 376 563 656 664 752 1126 1312 1328 1504 1927 2252 2656 3403 3854 3901 4504 6806 7708 7802 9008 13612 15416 15604 18016 23083 26461 27224 30832 31208 46166 46729 52922 54448 61664 62416 92332 93458 105844 108896 124832 159941 184664 186916 211688 319882 369328 373832 423376 639764 738656 747664 846752 1084901 1279528 1495328 1915889 2169802 2196263 2559056 3831778 4339604 4392526 5118112 7663556 8679208 8785052 15327112 17358416 17570104 30654224 34716832 35140208 61308448 70280416 90046783 180093566 360187132 720374264 1440748528 2881497056