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20120454035 = 5111937520379
BaseRepresentation
bin10010101111010001…
…011100001110010011
31220221020011222010022
4102233101130032103
5312201314012120
613124311054055
71311414015563
oct225721341623
956836158108
1020120454035
118595520a10
123a9637132b
131b88630406
14d8c2bcda3
157cb611025
hex4af45c393

20120454035 has 32 divisors (see below), whose sum is σ = 28475193600. Its totient is φ = 13488197760.

The previous prime is 20120454031. The next prime is 20120454037. The reversal of 20120454035 is 53045402102.

It is a happy number.

It is not a de Polignac number, because 20120454035 - 22 = 20120454031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20120453995 and 20120454013.

It is not an unprimeable number, because it can be changed into a prime (20120454031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221525 + ... + 298854.

It is an arithmetic number, because the mean of its divisors is an integer number (889849800).

Almost surely, 220120454035 is an apocalyptic number.

20120454035 is a deficient number, since it is larger than the sum of its proper divisors (8354739565).

20120454035 is a wasteful number, since it uses less digits than its factorization.

20120454035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520451.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20120454035 its reverse (53045402102), we get a palindrome (73165856137).

The spelling of 20120454035 in words is "twenty billion, one hundred twenty million, four hundred fifty-four thousand, thirty-five".

Divisors: 1 5 11 19 37 55 95 185 209 407 703 1045 2035 3515 7733 38665 520379 2601895 5724169 9887201 19254023 28620845 49436005 96270115 108759211 211794253 365826437 543796055 1058971265 1829132185 4024090807 20120454035