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20940454410 = 235698015147
BaseRepresentation
bin10011100000001001…
…011111101000001010
32000001101011022011120
4103200021133220022
5320341224020120
613341522340110
71340631632331
oct234011375012
960041138146
1020940454410
118976382377
124084aba636
131c89496935
141029172d18
158285d9140
hex4e025fa0a

20940454410 has 16 divisors (see below), whose sum is σ = 50257090656. Its totient is φ = 5584121168.

The previous prime is 20940454391. The next prime is 20940454421. The reversal of 20940454410 is 1445404902.

It is a super-3 number, since 3×209404544103 (a number of 32 digits) contains 333 as substring.

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, 349007544 + ... + 349007603.

It is an arithmetic number, because the mean of its divisors is an integer number (3141068166).

Almost surely, 220940454410 is an apocalyptic number.

20940454410 is an abundant number, since it is smaller than the sum of its proper divisors (29316636246).

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

20940454410 is a wasteful number, since it uses less digits than its factorization.

20940454410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698015157.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 20940454410 in words is "twenty billion, nine hundred forty million, four hundred fifty-four thousand, four hundred ten".

Divisors: 1 2 3 5 6 10 15 30 698015147 1396030294 2094045441 3490075735 4188090882 6980151470 10470227205 20940454410