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49887814912 = 281331796121
BaseRepresentation
bin101110011101100010…
…111010010100000000
311202202202201120121121
4232131202322110000
51304132240034122
634530153002024
73414160300345
oct563542722400
9152682646547
1049887814912
111a180409801
1298033b3314
134920750c10
1425b388a7cc
15146ead4bc7
hexb9d8ba500

49887814912 has 144 divisors (see below), whose sum is σ = 112119777280. Its totient is φ = 21996748800.

The previous prime is 49887814897. The next prime is 49887814957. The reversal of 49887814912 is 21941878894.

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, 8147212 + ... + 8153332.

Almost surely, 249887814912 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 49887814912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56059888640).

49887814912 is an abundant number, since it is smaller than the sum of its proper divisors (62231962368).

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

49887814912 is a wasteful number, since it uses less digits than its factorization.

49887814912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260 (or 6246 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 61.

The spelling of 49887814912 in words is "forty-nine billion, eight hundred eighty-seven million, eight hundred fourteen thousand, nine hundred twelve".

Divisors: 1 2 4 8 13 16 26 31 32 52 62 64 79 104 124 128 158 208 248 256 316 403 416 496 632 806 832 992 1027 1264 1612 1664 1984 2054 2449 2528 3224 3328 3968 4108 4898 5056 6121 6448 7936 8216 9796 10112 12242 12896 16432 19592 20224 24484 25792 31837 32864 39184 48968 51584 63674 65728 78368 79573 97936 103168 127348 131456 156736 159146 189751 195872 254696 262912 313472 318292 379502 391744 483559 509392 626944 636584 759004 783488 967118 1018784 1273168 1518008 1566976 1934236 2037568 2466763 2546336 3036016 3868472 4075136 4933526 5092672 6072032 6286267 7736944 8150272 9867052 10185344 12144064 12572534 14990329 15473888 19734104 20370688 24288128 25145068 29980658 30947776 39468208 48576256 50290136 59961316 61895552 78936416 100580272 119922632 123791104 157872832 194874277 201160544 239845264 315745664 389748554 402321088 479690528 631491328 779497108 804642176 959381056 1558994216 1609284352 1918762112 3117988432 3837524224 6235976864 12471953728 24943907456 49887814912