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5250027780 = 2232529166821
BaseRepresentation
bin1001110001110110…
…10001000100000100
3111112212212001012100
410320323101010010
541223001342110
62224542152100
7244046333304
oct47073210404
914485761170
105250027780
11225455a638
121026282630
136588b0b1a
1437b387604
1520ad93bc0
hex138ed1104

5250027780 has 36 divisors (see below), whose sum is σ = 15925084812. Its totient is φ = 1400007360.

The previous prime is 5250027721. The next prime is 5250027781. The reversal of 5250027780 is 877200525.

5250027780 is a `hidden beast` number, since 5 + 2 + 500 + 2 + 77 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1198959876 + 4051067904 = 34626^2 + 63648^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5250027781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14583231 + ... + 14583590.

It is an arithmetic number, because the mean of its divisors is an integer number (442363467).

Almost surely, 25250027780 is an apocalyptic number.

It is an amenable number.

5250027780 is an abundant number, since it is smaller than the sum of its proper divisors (10675057032).

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

5250027780 is a wasteful number, since it uses less digits than its factorization.

5250027780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29166836 (or 29166831 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 5250027780 is about 72457.0754309060. The cubic root of 5250027780 is about 1738.0163879623.

The spelling of 5250027780 in words is "five billion, two hundred fifty million, twenty-seven thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 29166821 58333642 87500463 116667284 145834105 175000926 262501389 291668210 350001852 437502315 525002778 583336420 875004630 1050005556 1312506945 1750009260 2625013890 5250027780