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2164465316 = 2213131317743
BaseRepresentation
bin1000000100000011…
…0001111010100100
312120211211020020002
42001000301322210
513413100342231
6554440000432
7104431436336
oct20100617244
95524736202
102164465316
11a10869912
12504a60118
1328656c410
1416766b456
15ca04d0cb
hex81031ea4

2164465316 has 24 divisors (see below), whose sum is σ = 4110336384. Its totient is φ = 991355040.

The previous prime is 2164465307. The next prime is 2164465319. The reversal of 2164465316 is 6135644612.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2164465316.

It is not an unprimeable number, because it can be changed into a prime (2164465319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152060 + ... + 165683.

It is an arithmetic number, because the mean of its divisors is an integer number (171264016).

Almost surely, 22164465316 is an apocalyptic number.

2164465316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2164465316 is a deficient number, since it is larger than the sum of its proper divisors (1945871068).

2164465316 is a wasteful number, since it uses less digits than its factorization.

2164465316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317891 (or 317889 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 2164465316 is about 46523.8145039720. The cubic root of 2164465316 is about 1293.5509630998.

The spelling of 2164465316 in words is "two billion, one hundred sixty-four million, four hundred sixty-five thousand, three hundred sixteen".

Divisors: 1 2 4 13 26 52 131 262 524 1703 3406 6812 317743 635486 1270972 4130659 8261318 16522636 41624333 83248666 166497332 541116329 1082232658 2164465316