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2270969891 = 67199170327
BaseRepresentation
bin1000011101011100…
…0100000000100011
312212021020020000222
42013113010000203
514122332014031
61013202433255
7110163632321
oct20727040043
95767206028
102270969891
11a659a3323
1253466282b
132a264c788
14177872d11
15d4589e7b
hex875c4023

2270969891 has 8 divisors (see below), whose sum is σ = 2316460800. Its totient is φ = 2225820168.

The previous prime is 2270969887. The next prime is 2270969893. The reversal of 2270969891 is 1989690722.

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 2270969891 - 22 = 2270969887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2270969893) 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, 71831 + ... + 98496.

It is an arithmetic number, because the mean of its divisors is an integer number (289557600).

Almost surely, 22270969891 is an apocalyptic number.

2270969891 is a deficient number, since it is larger than the sum of its proper divisors (45490909).

2270969891 is a wasteful number, since it uses less digits than its factorization.

2270969891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170593.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 2270969891 is about 47654.6943228052. The cubic root of 2270969891 is about 1314.4289792365.

The spelling of 2270969891 in words is "two billion, two hundred seventy million, nine hundred sixty-nine thousand, eight hundred ninety-one".

Divisors: 1 67 199 13333 170327 11411909 33895073 2270969891