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2541818380 = 225127090919
BaseRepresentation
bin1001011110000001…
…0001001000001100
320120010212202022111
42113200101020030
520201201142010
61100115553404
7116663046133
oct22740211014
96503782274
102541818380
111094876852
125ab2bb864
133167b185a
141a181891a
15ed23b58a
hex9781120c

2541818380 has 12 divisors (see below), whose sum is σ = 5337818640. Its totient is φ = 1016727344.

The previous prime is 2541818281. The next prime is 2541818387. The reversal of 2541818380 is 838181452.

It is not an unprimeable number, because it can be changed into a prime (2541818387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63545440 + ... + 63545479.

It is an arithmetic number, because the mean of its divisors is an integer number (444818220).

Almost surely, 22541818380 is an apocalyptic number.

2541818380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2541818380 is an abundant number, since it is smaller than the sum of its proper divisors (2796000260).

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

2541818380 is a wasteful number, since it uses less digits than its factorization.

2541818380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127090928 (or 127090926 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 2541818380 is about 50416.4494981549. The cubic root of 2541818380 is about 1364.7345044875.

The spelling of 2541818380 in words is "two billion, five hundred forty-one million, eight hundred eighteen thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 127090919 254181838 508363676 635454595 1270909190 2541818380