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203032030120 = 235101415312101
BaseRepresentation
bin1011110100010110100…
…1101110101110101000
3201102001122120202220021
42331011221232232220
511311302144430440
6233134401010224
720445215531653
oct2750551565650
9642048522807
10203032030120
1179118319317
1233423023974
13161b853973a
149b80a6489a
15543474384a
hex2f45a6eba8

203032030120 has 64 divisors (see below), whose sum is σ = 461494279440. Its totient is φ = 80382720000.

The previous prime is 203032030067. The next prime is 203032030141. The reversal of 203032030120 is 21030230302.

It can be written as a sum of positive squares in 8 ways, for example, as 153339595396 + 49692434724 = 391586^2 + 222918^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203032030094 and 203032030103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16772070 + ... + 16784170.

Almost surely, 2203032030120 is an apocalyptic number.

203032030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203032030120 is an abundant number, since it is smaller than the sum of its proper divisors (258462249320).

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

203032030120 is a wasteful number, since it uses less digits than its factorization.

203032030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16366 (or 16362 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 203032030120 its reverse (21030230302), we get a palindrome (224062260422).

The spelling of 203032030120 in words is "two hundred three billion, thirty-two million, thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 101 202 404 505 808 1010 2020 4040 4153 8306 12101 16612 20765 24202 33224 41530 48404 60505 83060 96808 121010 166120 242020 419453 484040 838906 1222201 1677812 2097265 2444402 3355624 4194530 4888804 6111005 8389060 9777608 12222010 16778120 24444020 48888040 50255453 100510906 201021812 251277265 402043624 502554530 1005109060 2010218120 5075800753 10151601506 20303203012 25379003765 40606406024 50758007530 101516015060 203032030120