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968808871 = 1597606643
BaseRepresentation
bin111001101111101…
…101100110100111
32111111222120221001
4321233231212213
53441003340441
6240044534131
733002511442
oct7157554647
92444876831
10968808871
1145795a498
12230551347
13125938cb4
149294c659
155a0be731
hex39bed9a7

968808871 has 4 divisors (see below), whose sum is σ = 969417112. Its totient is φ = 968200632.

The previous prime is 968808859. The next prime is 968808901. The reversal of 968808871 is 178808869.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-968808871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968802871) 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, 301725 + ... + 304918.

It is an arithmetic number, because the mean of its divisors is an integer number (242354278).

Almost surely, 2968808871 is an apocalyptic number.

968808871 is a deficient number, since it is larger than the sum of its proper divisors (608241).

968808871 is a wasteful number, since it uses less digits than its factorization.

968808871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608240.

The product of its (nonzero) digits is 1548288, while the sum is 55.

The square root of 968808871 is about 31125.6947071065. The cubic root of 968808871 is about 989.4929454581.

The spelling of 968808871 in words is "nine hundred sixty-eight million, eight hundred eight thousand, eight hundred seventy-one".

Divisors: 1 1597 606643 968808871