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2541309980 = 2251111551409
BaseRepresentation
bin1001011101111001…
…0101000000011100
320120002220220220212
42113132111000130
520201033404410
61100101031552
7116655530666
oct22736250034
96502826825
102541309980
111094559890
125ab0b55b8
13316664321
141a1725536
15ed18ab05
hex9779501c

2541309980 has 24 divisors (see below), whose sum is σ = 5821910640. Its totient is φ = 924112640.

The previous prime is 2541309977. The next prime is 2541310099. The reversal of 2541309980 is 899031452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5775485 + ... + 5775924.

It is an arithmetic number, because the mean of its divisors is an integer number (242579610).

Almost surely, 22541309980 is an apocalyptic number.

2541309980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2541309980 is an abundant number, since it is smaller than the sum of its proper divisors (3280600660).

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

2541309980 is a wasteful number, since it uses less digits than its factorization.

2541309980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11551429 (or 11551427 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 2541309980 is about 50411.4072408220. The cubic root of 2541309980 is about 1364.6435096192.

The spelling of 2541309980 in words is "two billion, five hundred forty-one million, three hundred nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 11551409 23102818 46205636 57757045 115514090 127065499 231028180 254130998 508261996 635327495 1270654990 2541309980