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2164802146 = 213127965099
BaseRepresentation
bin1000000100001000…
…0100001001100010
312120212110100021021
42001002010021202
513413142132041
6554451120054
7104434341343
oct20102041142
95525410237
102164802146
11a10a79991
12504ba302a
13286659820
141677180ca
15ca0b7cd1
hex81084262

2164802146 has 16 divisors (see below), whose sum is σ = 3499776000. Its totient is φ = 998342928.

The previous prime is 2164802131. The next prime is 2164802147. The reversal of 2164802146 is 6412084612.

It is not an unprimeable number, because it can be changed into a prime (2164802147) 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, 705 + ... + 65803.

It is an arithmetic number, because the mean of its divisors is an integer number (218736000).

Almost surely, 22164802146 is an apocalyptic number.

2164802146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2164802146 is a deficient number, since it is larger than the sum of its proper divisors (1334973854).

2164802146 is a wasteful number, since it uses less digits than its factorization.

2164802146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66393.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 2164802146 is about 46527.4343371736. The cubic root of 2164802146 is about 1293.6180596045.

Adding to 2164802146 its reverse (6412084612), we get a palindrome (8576886758).

The spelling of 2164802146 in words is "two billion, one hundred sixty-four million, eight hundred two thousand, one hundred forty-six".

Divisors: 1 2 13 26 1279 2558 16627 33254 65099 130198 846287 1692574 83261621 166523242 1082401073 2164802146