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20483027442 = 23542146147
BaseRepresentation
bin10011000100111000…
…100011000111110010
31221212111102121100000
4103010320203013302
5313422123334232
613224302210430
71323405601113
oct230470430762
957774377300
1020483027442
118761153759
123b77883a16
131c157995a7
14dc450020a
157ed38027c
hex4c4e231f2

20483027442 has 24 divisors (see below), whose sum is σ = 46023593616. Its totient is φ = 6827675652.

The previous prime is 20483027431. The next prime is 20483027449. The reversal of 20483027442 is 24472038402.

20483027442 is a `hidden beast` number, since 204 + 8 + 3 + 0 + 2 + 7 + 442 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20483027397 and 20483027406.

It is not an unprimeable number, because it can be changed into a prime (20483027449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21072588 + ... + 21073559.

It is an arithmetic number, because the mean of its divisors is an integer number (1917649734).

Almost surely, 220483027442 is an apocalyptic number.

20483027442 is an abundant number, since it is smaller than the sum of its proper divisors (25540566174).

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

20483027442 is an equidigital number, since it uses as much as digits as its factorization.

20483027442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42146164 (or 42146152 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The spelling of 20483027442 in words is "twenty billion, four hundred eighty-three million, twenty-seven thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 42146147 84292294 126438441 252876882 379315323 758630646 1137945969 2275891938 3413837907 6827675814 10241513721 20483027442