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5151237120 = 21034512421
BaseRepresentation
bin1001100110000100…
…11010010000000000
3111021222221221220000
410303002122100000
541022204041440
62211052520000
7241436536011
oct46302322000
914258857800
105151237120
112203814767
12bb9180000
136412a1903
1436c1cd008
1520237c730
hex13309a400

5151237120 has 220 divisors, whose sum is σ = 18460607484. Its totient is φ = 1373552640.

The previous prime is 5151237061. The next prime is 5151237131. The reversal of 5151237120 is 217321515.

5151237120 is a `hidden beast` number, since 515 + 1 + 23 + 7 + 120 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3727835136 + 1423401984 = 61056^2 + 37728^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 408510 + ... + 420930.

Almost surely, 25151237120 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 5151237120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9230303742).

5151237120 is an abundant number, since it is smaller than the sum of its proper divisors (13309370364).

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

5151237120 is a wasteful number, since it uses less digits than its factorization.

5151237120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12458 (or 12431 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 5151237120 is about 71772.1193779311. The cubic root of 5151237120 is about 1727.0457694512.

Adding to 5151237120 its reverse (217321515), we get a palindrome (5368558635).

The spelling of 5151237120 in words is "five billion, one hundred fifty-one million, two hundred thirty-seven thousand, one hundred twenty".