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2115300164 = 223975092617
BaseRepresentation
bin111111000010100…
…1110101101000100
312110102022101022112
41332011032231010
513313004101124
6545522120152
7103263516605
oct17605165504
95412271275
102115300164
1199603935a
124b04b0058
13279317003
14160d0ddac
15c5a8a90e
hex7e14eb44

2115300164 has 24 divisors (see below), whose sum is σ = 3719811480. Its totient is φ = 1052510976.

The previous prime is 2115300137. The next prime is 2115300169. The reversal of 2115300164 is 4610035112.

It can be written as a sum of positive squares in 4 ways, for example, as 1425817600 + 689482564 = 37760^2 + 26258^2 .

It is not an unprimeable number, because it can be changed into a prime (2115300169) 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, 806984 + ... + 809600.

It is an arithmetic number, because the mean of its divisors is an integer number (154992145).

Almost surely, 22115300164 is an apocalyptic number.

It is an amenable number.

2115300164 is a deficient number, since it is larger than the sum of its proper divisors (1604511316).

2115300164 is a wasteful number, since it uses less digits than its factorization.

2115300164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527 (or 3525 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2115300164 is about 45992.3924578837. The cubic root of 2115300164 is about 1283.6816537539.

Adding to 2115300164 its reverse (4610035112), we get a palindrome (6725335276).

The spelling of 2115300164 in words is "two billion, one hundred fifteen million, three hundred thousand, one hundred sixty-four".

Divisors: 1 2 4 397 509 794 1018 1588 2036 2617 5234 10468 202073 404146 808292 1038949 1332053 2077898 2664106 4155796 5328212 528825041 1057650082 2115300164