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5145515500 = 225322944939
BaseRepresentation
bin1001100101011001…
…00101010111101100
3111021121012021022011
410302230211113230
541014222444000
62210330131004
7241340105626
oct46254452754
914247167264
105145515500
112200566a54
12bb7280a64
1364004a538
1436b53dc16
15201aec2ba
hex132b255ec

5145515500 has 48 divisors (see below), whose sum is σ = 11287130400. Its totient is φ = 2049172800.

The previous prime is 5145515497. The next prime is 5145515521. The reversal of 5145515500 is 55155415.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92031 + ... + 136969.

It is an arithmetic number, because the mean of its divisors is an integer number (235148550).

Almost surely, 25145515500 is an apocalyptic number.

5145515500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5145515500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5643565200).

5145515500 is an abundant number, since it is smaller than the sum of its proper divisors (6141614900).

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

5145515500 is a wasteful number, since it uses less digits than its factorization.

5145515500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45187 (or 45175 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 5145515500 is about 71732.2486751949. The cubic root of 5145515500 is about 1726.4061069006.

The spelling of 5145515500 in words is "five billion, one hundred forty-five million, five hundred fifteen thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 229 250 458 500 916 1145 2290 4580 5725 11450 22900 28625 44939 57250 89878 114500 179756 224695 449390 898780 1123475 2246950 4493900 5617375 10291031 11234750 20582062 22469500 41164124 51455155 102910310 205820620 257275775 514551550 1029103100 1286378875 2572757750 5145515500