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2164164755 = 52112051341
BaseRepresentation
bin1000000011111110…
…1000100010010011
312120211020221221012
42000333220202103
513413011233010
6554425321135
7104426045144
oct20077504223
95524227835
102164164755
11a10684015
125049361ab
1328649567c
141675cdacb
15c9ede005
hex80fe8893

2164164755 has 8 divisors (see below), whose sum is σ = 2609307024. Its totient is φ = 1723125600.

The previous prime is 2164164697. The next prime is 2164164803. The reversal of 2164164755 is 5574614612.

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

It is not a de Polignac number, because 2164164755 - 222 = 2159970451 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024616 + ... + 1026725.

It is an arithmetic number, because the mean of its divisors is an integer number (326163378).

Almost surely, 22164164755 is an apocalyptic number.

2164164755 is a deficient number, since it is larger than the sum of its proper divisors (445142269).

2164164755 is a wasteful number, since it uses less digits than its factorization.

2164164755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051557.

The product of its digits is 201600, while the sum is 41.

The square root of 2164164755 is about 46520.5842074237. The cubic root of 2164164755 is about 1293.4910854993.

The spelling of 2164164755 in words is "two billion, one hundred sixty-four million, one hundred sixty-four thousand, seven hundred fifty-five".

Divisors: 1 5 211 1055 2051341 10256705 432832951 2164164755