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2164235401 is a prime number
BaseRepresentation
bin1000000011111111…
…1001110010001001
312120211101112211201
42000333321302021
513413021013101
6554431024201
7104426461126
oct20077716211
95524345751
102164235401
11a107220a9
1250496b061
132864bb883
1416760b74d
15ca004e01
hex80ff9c89

2164235401 has 2 divisors, whose sum is σ = 2164235402. Its totient is φ = 2164235400.

The previous prime is 2164235387. The next prime is 2164235431. The reversal of 2164235401 is 1045324612.

2164235401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2159925625 + 4309776 = 46475^2 + 2076^2 .

It is a cyclic number.

It is not a de Polignac number, because 2164235401 - 25 = 2164235369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2164235401.

It is not a weakly prime, because it can be changed into another prime (2164235431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082117700 + 1082117701.

It is an arithmetic number, because the mean of its divisors is an integer number (1082117701).

Almost surely, 22164235401 is an apocalyptic number.

It is an amenable number.

2164235401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164235401 is an equidigital number, since it uses as much as digits as its factorization.

2164235401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2164235401 is about 46521.3434995164. The cubic root of 2164235401 is about 1293.5051600557.

The spelling of 2164235401 in words is "two billion, one hundred sixty-four million, two hundred thirty-five thousand, four hundred one".