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2708426897 = 11246220627
BaseRepresentation
bin1010000101101111…
…0101000010010001
320222202101100020022
42201123311002101
521021324130042
61124430553225
7124055151221
oct24133650221
96882340208
102708426897
11116a922240
12637068815
13342177287
141b99c8081
1510cb9bcd2
hexa16f5091

2708426897 has 4 divisors (see below), whose sum is σ = 2954647536. Its totient is φ = 2462206260.

The previous prime is 2708426891. The next prime is 2708426909. The reversal of 2708426897 is 7986248072.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2708426897 - 24 = 2708426881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2708426891) 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, 123110303 + ... + 123110324.

It is an arithmetic number, because the mean of its divisors is an integer number (738661884).

Almost surely, 22708426897 is an apocalyptic number.

It is an amenable number.

2708426897 is a deficient number, since it is larger than the sum of its proper divisors (246220639).

2708426897 is a wasteful number, since it uses less digits than its factorization.

2708426897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246220638.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The square root of 2708426897 is about 52042.5489095221. The cubic root of 2708426897 is about 1393.9238192942.

The spelling of 2708426897 in words is "two billion, seven hundred eight million, four hundred twenty-six thousand, eight hundred ninety-seven".

Divisors: 1 11 246220627 2708426897