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203146400062120 = 23523321796824041
BaseRepresentation
bin101110001100001010110101…
…000000110101101010101000
3222122021121100220110001111111
4232030022311000311222220
5203111322311403441440
62000020100130240104
760534562112500264
oct5614126500655250
9878247326401444
10203146400062120
11598019a49015a9
121a94b172426034
1389478145b0478
1438244a41370a4
1518744863144ea
hexb8c2b5035aa8

203146400062120 has 32 divisors (see below), whose sum is σ = 459041114324520. Its totient is φ = 80909810836480.

The previous prime is 203146400062091. The next prime is 203146400062121. The reversal of 203146400062120 is 21260004641302.

It can be written as a sum of positive squares in 4 ways, for example, as 95452939080004 + 107693460982116 = 9770002^2 + 10377546^2 .

It is not an unprimeable number, because it can be changed into a prime (203146400062121) 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, 10898402701 + ... + 10898421340.

Almost surely, 2203146400062120 is an apocalyptic number.

203146400062120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203146400062120 is an abundant number, since it is smaller than the sum of its proper divisors (255894714262400).

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

203146400062120 is a wasteful number, since it uses less digits than its factorization.

203146400062120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21796824285 (or 21796824281 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 203146400062120 in words is "two hundred three trillion, one hundred forty-six billion, four hundred million, sixty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 233 466 932 1165 1864 2330 4660 9320 21796824041 43593648082 87187296164 108984120205 174374592328 217968240410 435936480820 871872961640 5078660001553 10157320003106 20314640006212 25393300007765 40629280012424 50786600015530 101573200031060 203146400062120