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2164434506 = 213471771223
BaseRepresentation
bin1000000100000010…
…1010011001001010
312120211202122221222
42001000222121022
513413043401011
6554435202042
7104431250453
oct20100523112
95524678858
102164434506
11a10848753
12504a46322
1328655b3a0
1416766012a
15ca043ddb
hex8102a64a

2164434506 has 16 divisors (see below), whose sum is σ = 3570787584. Its totient is φ = 977714544.

The previous prime is 2164434497. The next prime is 2164434523. The reversal of 2164434506 is 6054344612.

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, 884390 + ... + 886833.

It is an arithmetic number, because the mean of its divisors is an integer number (223174224).

Almost surely, 22164434506 is an apocalyptic number.

2164434506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2164434506 is a deficient number, since it is larger than the sum of its proper divisors (1406353078).

2164434506 is a wasteful number, since it uses less digits than its factorization.

2164434506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771285.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 2164434506 is about 46523.4833820513. The cubic root of 2164434506 is about 1293.5448254032.

The spelling of 2164434506 in words is "two billion, one hundred sixty-four million, four hundred thirty-four thousand, five hundred six".