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51950338048 = 21471932347
BaseRepresentation
bin110000011000011110…
…110100000000000000
311222002111201121110101
4300120132310000000
51322343241304143
635510552012144
73516243405340
oct603036640000
9158074647411
1051950338048
112003967a984
12a09a091054
134b8bb497cb
14272b77cd20
151540be7b4d
hexc187b4000

51950338048 has 120 divisors (see below), whose sum is σ = 119406093632. Its totient is φ = 22139633664.

The previous prime is 51950338039. The next prime is 51950338049. The reversal of 51950338048 is 84083305915.

It is a junction number, because it is equal to n+sod(n) for n = 51950337989 and 51950338007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51950338049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22133611 + ... + 22135957.

Almost surely, 251950338048 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 51950338048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59703046816).

51950338048 is an abundant number, since it is smaller than the sum of its proper divisors (67455755584).

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

51950338048 is an equidigital number, since it uses as much as digits as its factorization.

51950338048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575 (or 2549 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 51950338048 in words is "fifty-one billion, nine hundred fifty million, three hundred thirty-eight thousand, forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 193 224 256 386 448 512 772 896 1024 1351 1544 1792 2048 2347 2702 3088 3584 4096 4694 5404 6176 7168 8192 9388 10808 12352 14336 16384 16429 18776 21616 24704 28672 32858 37552 43232 49408 57344 65716 75104 86464 98816 114688 131432 150208 172928 197632 262864 300416 345856 395264 452971 525728 600832 691712 790528 905942 1051456 1201664 1383424 1581056 1811884 2102912 2403328 2766848 3162112 3170797 3623768 4205824 4806656 5533696 6341594 7247536 8411648 9613312 11067392 12683188 14495072 16823296 19226624 22134784 25366376 28990144 33646592 38453248 50732752 57980288 67293184 101465504 115960576 134586368 202931008 231921152 269172736 405862016 463842304 811724032 927684608 1623448064 1855369216 3246896128 3710738432 6493792256 7421476864 12987584512 25975169024 51950338048