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51552001350 = 23252831380241
BaseRepresentation
bin110000000000101111…
…010001110101000110
311221001202012000020100
4300000233101311012
51321034303020400
635403242144530
73503335532013
oct600057216506
9157052160210
1051552001350
111a9548406a3
129ba87b2146
134b2746b315
1426d08cc70a
15151ac62100
hexc00bd1d46

51552001350 has 72 divisors (see below), whose sum is σ = 140171856552. Its totient is φ = 13581561600.

The previous prime is 51552001343. The next prime is 51552001357. The reversal of 51552001350 is 5310025515.

51552001350 is a `hidden beast` number, since 5 + 1 + 5 + 520 + 0 + 135 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (51552001343) and next prime (51552001357).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51552001357) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 652771 + ... + 727470.

It is an arithmetic number, because the mean of its divisors is an integer number (1946831341).

Almost surely, 251552001350 is an apocalyptic number.

51552001350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51552001350 is an abundant number, since it is smaller than the sum of its proper divisors (88619855202).

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

51552001350 is a wasteful number, since it uses less digits than its factorization.

51552001350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380342 (or 1380334 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

Adding to 51552001350 its reverse (5310025515), we get a palindrome (56862026865).

The spelling of 51552001350 in words is "fifty-one billion, five hundred fifty-two million, one thousand, three hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 83 90 150 166 225 249 415 450 498 747 830 1245 1494 2075 2490 3735 4150 6225 7470 12450 18675 37350 1380241 2760482 4140723 6901205 8281446 12422169 13802410 20703615 24844338 34506025 41407230 62110845 69012050 103518075 114560003 124221690 207036150 229120006 310554225 343680009 572800015 621108450 687360018 1031040027 1145600030 1718400045 2062080054 2864000075 3436800090 5155200135 5728000150 8592000225 10310400270 17184000450 25776000675 51552001350