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1122103988 = 221092573633
BaseRepresentation
bin100001011100001…
…1111001010110100
32220012102210021222
41002320133022310
54244224311423
6303202325512
736543504125
oct10270371264
92805383258
101122103988
11526442375
12273959898
1314b61c975
14a905404c
15687a03c8
hex42e1f2b4

1122103988 has 12 divisors (see below), whose sum is σ = 1981698180. Its totient is φ = 555904512.

The previous prime is 1122103987. The next prime is 1122103999. The reversal of 1122103988 is 8893012211.

It can be written as a sum of positive squares in 2 ways, for example, as 649128484 + 472975504 = 25478^2 + 21748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122103981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286381 + ... + 1287252.

It is an arithmetic number, because the mean of its divisors is an integer number (165141515).

Almost surely, 21122103988 is an apocalyptic number.

It is an amenable number.

1122103988 is a deficient number, since it is larger than the sum of its proper divisors (859594192).

1122103988 is a wasteful number, since it uses less digits than its factorization.

1122103988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573746 (or 2573744 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 1122103988 is about 33497.8206455286. The cubic root of 1122103988 is about 1039.1487079508.

The spelling of 1122103988 in words is "one billion, one hundred twenty-two million, one hundred three thousand, nine hundred eighty-eight".

Divisors: 1 2 4 109 218 436 2573633 5147266 10294532 280525997 561051994 1122103988