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2744135540 = 225137206777
BaseRepresentation
bin1010001110010000…
…0010111101110100
321002020120112021122
42203210002331310
521104444314130
61132144203112
7125000524106
oct24344027564
97066515248
102744135540
111188aa1713
12647009498
1334969a753
141c0641576
15110da22e5
hexa3902f74

2744135540 has 12 divisors (see below), whose sum is σ = 5762684676. Its totient is φ = 1097654208.

The previous prime is 2744135507. The next prime is 2744135573. The reversal of 2744135540 is 455314472.

It is an interprime number because it is at equal distance from previous prime (2744135507) and next prime (2744135573).

It can be written as a sum of positive squares in 2 ways, for example, as 1124395024 + 1619740516 = 33532^2 + 40246^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2744135540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68603369 + ... + 68603408.

It is an arithmetic number, because the mean of its divisors is an integer number (480223723).

Almost surely, 22744135540 is an apocalyptic number.

2744135540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2744135540 is an abundant number, since it is smaller than the sum of its proper divisors (3018549136).

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

2744135540 is a wasteful number, since it uses less digits than its factorization.

2744135540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137206786 (or 137206784 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 2744135540 is about 52384.4971341713. The cubic root of 2744135540 is about 1400.0230506409.

The spelling of 2744135540 in words is "two billion, seven hundred forty-four million, one hundred thirty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 137206777 274413554 548827108 686033885 1372067770 2744135540