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2145107468 = 227223343547
BaseRepresentation
bin111111111011011…
…1011111000001100
312112111101202020202
41333312323320030
513343121414333
6552505033032
7104105053430
oct17766737014
95474352222
102145107468
11a00947a99
124ba485778
1328255237a
14164c6c9c0
15c84c75e8
hex7fdbbe0c

2145107468 has 24 divisors (see below), whose sum is σ = 4309466112. Its totient is φ = 915206544.

The previous prime is 2145107441. The next prime is 2145107473. The reversal of 2145107468 is 8647015412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165530 + ... + 178017.

It is an arithmetic number, because the mean of its divisors is an integer number (179561088).

Almost surely, 22145107468 is an apocalyptic number.

2145107468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2145107468 is an abundant number, since it is smaller than the sum of its proper divisors (2164358644).

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

2145107468 is a wasteful number, since it uses less digits than its factorization.

2145107468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343781 (or 343779 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 2145107468 is about 46315.3049002163. The cubic root of 2145107468 is about 1289.6831279076.

The spelling of 2145107468 in words is "two billion, one hundred forty-five million, one hundred seven thousand, four hundred sixty-eight".

Divisors: 1 2 4 7 14 28 223 446 892 1561 3122 6244 343547 687094 1374188 2404829 4809658 9619316 76610981 153221962 306443924 536276867 1072553734 2145107468