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2968742881 = 13467348869
BaseRepresentation
bin1011000011110011…
…0110101111100001
321122220012202122001
42300330312233201
522034444233011
61210330244001
7133365620026
oct26074665741
97586182561
102968742881
111293861515
126aa286601
1338408c2c0
142023cb54d
1512596c7c1
hexb0f36be1

2968742881 has 8 divisors (see below), whose sum is σ = 3197857320. Its totient is φ = 2739735552.

The previous prime is 2968742879. The next prime is 2968742969. The reversal of 2968742881 is 1882478692.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 337052881 + 2631690000 = 18359^2 + 51300^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2968742881 - 21 = 2968742879 is a prime.

It is a super-2 number, since 2×29687428812 = 17626868586976360322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2968742081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36315 + ... + 85183.

It is an arithmetic number, because the mean of its divisors is an integer number (399732165).

Almost surely, 22968742881 is an apocalyptic number.

It is an amenable number.

2968742881 is a deficient number, since it is larger than the sum of its proper divisors (229114439).

2968742881 is a wasteful number, since it uses less digits than its factorization.

2968742881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53555.

The product of its digits is 3096576, while the sum is 55.

The square root of 2968742881 is about 54486.1714657949. The cubic root of 2968742881 is about 1437.2231209241.

The spelling of 2968742881 in words is "two billion, nine hundred sixty-eight million, seven hundred forty-two thousand, eight hundred eighty-one".

Divisors: 1 13 4673 48869 60749 635297 228364837 2968742881