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5130155520 = 29335723461
BaseRepresentation
bin1001100011100011…
…11111011000000000
3111020112021220101000
410301301333120000
541001304434040
62205021012000
7241062413430
oct46161773000
914215256330
105130155520
1121a2925856
12bb20b4000
13639b000a9
143694a22c0
152005b6130
hex131c7f600

5130155520 has 640 divisors, whose sum is σ = 21778606080. Its totient is φ = 1119191040.

The previous prime is 5130155491. The next prime is 5130155539. The reversal of 5130155520 is 255510315.

5130155520 is a `hidden beast` number, since 5 + 130 + 1 + 5 + 5 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11128090 + ... + 11128550.

It is an arithmetic number, because the mean of its divisors is an integer number (34029072).

Almost surely, 25130155520 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 5130155520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10889303040).

5130155520 is an abundant number, since it is smaller than the sum of its proper divisors (16648450560).

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

5130155520 is a wasteful number, since it uses less digits than its factorization.

5130155520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 501 counting only the distinct ones).

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

The square root of 5130155520 is about 71625.1039789821. The cubic root of 5130155520 is about 1724.6865517427.

Adding to 5130155520 its reverse (255510315), we get a palindrome (5385665835).

The spelling of 5130155520 in words is "five billion, one hundred thirty million, one hundred fifty-five thousand, five hundred twenty".