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29018290120 = 2351381525313
BaseRepresentation
bin11011000001100111…
…111111011111001000
32202220100000212120221
4123001213333133020
5433412140240440
621155242355424
72045046252631
oct330147773710
982810025527
1029018290120
1111341082956
12575a1bbb74
132975b8cc91
141593cdc888
15b4c85bd4a
hex6c19ff7c8

29018290120 has 32 divisors (see below), whose sum is σ = 65338555320. Its totient is φ = 11598888960.

The previous prime is 29018290117. The next prime is 29018290129. The reversal of 29018290120 is 2109281092.

It can be written as a sum of positive squares in 4 ways, for example, as 11832653284 + 17185636836 = 108778^2 + 131094^2 .

It is a super-2 number, since 2×290182901202 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29018290129) 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, 207417 + ... + 317896.

Almost surely, 229018290120 is an apocalyptic number.

29018290120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29018290120 is an abundant number, since it is smaller than the sum of its proper divisors (36320265200).

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

29018290120 is a wasteful number, since it uses less digits than its factorization.

29018290120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526705 (or 526701 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 29018290120 in words is "twenty-nine billion, eighteen million, two hundred ninety thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1381 2762 5524 6905 11048 13810 27620 55240 525313 1050626 2101252 2626565 4202504 5253130 10506260 21012520 725457253 1450914506 2901829012 3627286265 5803658024 7254572530 14509145060 29018290120