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51110452000 = 255312777613
BaseRepresentation
bin101111100110011010…
…111001101100100000
311212220222022222101201
4233212122321230200
51314133233431000
635251350210544
73456364450066
oct574632715440
9155828288351
1051110452000
111a748577083
129aa4953a54
134a86b3cc0a
14268bdd0036
1514e20e296a
hexbe66b9b20

51110452000 has 48 divisors (see below), whose sum is σ = 125578390392. Its totient is φ = 20444179200.

The previous prime is 51110451947. The next prime is 51110452007. The reversal of 51110452000 is 25401115.

It can be written as a sum of positive squares in 4 ways, for example, as 11838310416 + 39272141584 = 108804^2 + 198172^2 .

It is a super-2 number, since 2×511104520002 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51110452007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6384807 + ... + 6392806.

Almost surely, 251110452000 is an apocalyptic number.

51110452000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51110452000 is an abundant number, since it is smaller than the sum of its proper divisors (74467938392).

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

51110452000 is a wasteful number, since it uses less digits than its factorization.

51110452000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12777638 (or 12777620 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 51110452000 its reverse (25401115), we get a palindrome (51135853115).

The spelling of 51110452000 in words is "fifty-one billion, one hundred ten million, four hundred fifty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 12777613 25555226 51110452 63888065 102220904 127776130 204441808 255552260 319440325 408883616 511104520 638880650 1022209040 1277761300 1597201625 2044418080 2555522600 3194403250 5111045200 6388806500 10222090400 12777613000 25555226000 51110452000