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2428800881 = 13186830837
BaseRepresentation
bin1001000011000100…
…1000111101110001
320021021012212110012
42100301020331301
514433233112011
61041001344305
7114121316063
oct22061107561
96237185405
102428800881
111036aa4061
12579498095
132c9260bb0
141907d9733
15e3364a8b
hex90c48f71

2428800881 has 4 divisors (see below), whose sum is σ = 2615631732. Its totient is φ = 2241970032.

The previous prime is 2428800841. The next prime is 2428800883. The reversal of 2428800881 is 1880088242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 951167281 + 1477633600 = 30841^2 + 38440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2428800881 is a prime.

It is a super-2 number, since 2×24288008812 = 11798147439092752322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2428800883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93415406 + ... + 93415431.

It is an arithmetic number, because the mean of its divisors is an integer number (653907933).

Almost surely, 22428800881 is an apocalyptic number.

It is an amenable number.

2428800881 is a deficient number, since it is larger than the sum of its proper divisors (186830851).

2428800881 is a wasteful number, since it uses less digits than its factorization.

2428800881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186830850.

The product of its (nonzero) digits is 65536, while the sum is 41.

The square root of 2428800881 is about 49282.8659982351. The cubic root of 2428800881 is about 1344.2002461179.

The spelling of 2428800881 in words is "two billion, four hundred twenty-eight million, eight hundred thousand, eight hundred eighty-one".

Divisors: 1 13 186830837 2428800881