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2162105204 = 227257119319
BaseRepresentation
bin1000000011011111…
…0001101101110100
312120200101022202112
42000313301231310
513411444331304
6554313230152
7104402406500
oct20067615564
95520338675
102162105204
11a0a4a7706
12504102358
13285c240bc
14167215300
15c9c33b6e
hex80df1b74

2162105204 has 36 divisors (see below), whose sum is σ = 4409364960. Its totient is φ = 924945840.

The previous prime is 2162105201. The next prime is 2162105207. The reversal of 2162105204 is 4025012612.

It is a happy number.

2162105204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2162105201) and next prime (2162105207).

It is a self number, because there is not a number n which added to its sum of digits gives 2162105204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162105201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102257 + ... + 121575.

It is an arithmetic number, because the mean of its divisors is an integer number (122482360).

Almost surely, 22162105204 is an apocalyptic number.

It is an amenable number.

2162105204 is an abundant number, since it is smaller than the sum of its proper divisors (2247259756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2162105204 is a wasteful number, since it uses less digits than its factorization.

2162105204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19908 (or 19899 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2162105204 is about 46498.4430276972. The cubic root of 2162105204 is about 1293.0806336336.

Adding to 2162105204 its reverse (4025012612), we get a palindrome (6187117816).

The spelling of 2162105204 in words is "two billion, one hundred sixty-two million, one hundred five thousand, two hundred four".

Divisors: 1 2 4 7 14 28 49 98 196 571 1142 2284 3997 7994 15988 19319 27979 38638 55958 77276 111916 135233 270466 540932 946631 1893262 3786524 11031149 22062298 44124596 77218043 154436086 308872172 540526301 1081052602 2162105204