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120112188040 = 23513230984977
BaseRepresentation
bin110111111011100111…
…1101000101010001000
3102111000211021100120001
41233313033220222020
53431442210004130
6131102341012344
711451330516145
oct1576717505210
9374024240501
10120112188040
1146a37220709
121b3413b40b4
13b432507620
145b561cb3cc
1531cec666ca
hex1bf73e8a88

120112188040 has 32 divisors (see below), whose sum is σ = 291041072280. Its totient is φ = 44349115392.

The previous prime is 120112188017. The next prime is 120112188067. The reversal of 120112188040 is 40881211021.

It can be written as a sum of positive squares in 4 ways, for example, as 59001381604 + 61110806436 = 242902^2 + 247206^2 .

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, 115491969 + ... + 115493008.

Almost surely, 2120112188040 is an apocalyptic number.

120112188040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120112188040 is an abundant number, since it is smaller than the sum of its proper divisors (170928884240).

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

120112188040 is a wasteful number, since it uses less digits than its factorization.

120112188040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230985001 (or 230984997 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 28.

Adding to 120112188040 its reverse (40881211021), we get a palindrome (160993399061).

The spelling of 120112188040 in words is "one hundred twenty billion, one hundred twelve million, one hundred eighty-eight thousand, forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 230984977 461969954 923939908 1154924885 1847879816 2309849770 3002804701 4619699540 6005609402 9239399080 12011218804 15014023505 24022437608 30028047010 60056094020 120112188040