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129614112 = 25324211069
BaseRepresentation
bin1111011100111…
…00000100100000
3100000220002010200
413232130010200
5231140122422
620510025200
73132462465
oct756340440
9300802120
10129614112
1167189001
12374a8200
1320b11c54
14132dd66c
15b5a42ac
hex7b9c120

129614112 has 72 divisors (see below), whose sum is σ = 369811260. Its totient is φ = 43061760.

The previous prime is 129614099. The next prime is 129614123. The reversal of 129614112 is 211416921.

It can be written as a sum of positive squares in 2 ways, for example, as 112275216 + 17338896 = 10596^2 + 4164^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120714 + ... + 121782.

Almost surely, 2129614112 is an apocalyptic number.

129614112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129614112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184905630).

129614112 is an abundant number, since it is smaller than the sum of its proper divisors (240197148).

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

129614112 is a wasteful number, since it uses less digits than its factorization.

129614112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506 (or 1495 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 129614112 is about 11384.8193661560. The cubic root of 129614112 is about 506.0779666036.

The spelling of 129614112 in words is "one hundred twenty-nine million, six hundred fourteen thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 421 842 1069 1263 1684 2138 2526 3207 3368 3789 4276 5052 6414 6736 7578 8552 9621 10104 12828 13472 15156 17104 19242 20208 25656 30312 34208 38484 40416 51312 60624 76968 102624 121248 153936 307872 450049 900098 1350147 1800196 2700294 3600392 4050441 5400588 7200784 8100882 10801176 14401568 16201764 21602352 32403528 43204704 64807056 129614112