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1662420113135 = 5478941791201
BaseRepresentation
bin11000001100001111111…
…101011101011011101111
312212220222220201202211022
4120030033331131123233
5204214114022110020
63311412200244355
7231051214545125
oct30141775353357
95786886652738
101662420113135
115910348a6351
1222a2311706bb
13c09c4b91922
145a666757915
152d39b532625
hex1830ff5d6ef

1662420113135 has 16 divisors (see below), whose sum is σ = 2037579345792. Its totient is φ = 1301492352000.

The previous prime is 1662420113117. The next prime is 1662420113183. The reversal of 1662420113135 is 5313110242661.

It is not a de Polignac number, because 1662420113135 - 212 = 1662420109039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1662420113095 and 1662420113104.

It is a congruent number.

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, 1705535 + ... + 2496735.

It is an arithmetic number, because the mean of its divisors is an integer number (127348709112).

Almost surely, 21662420113135 is an apocalyptic number.

1662420113135 is a deficient number, since it is larger than the sum of its proper divisors (375159232657).

1662420113135 is an equidigital number, since it uses as much as digits as its factorization.

1662420113135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800194.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 1662420113135 its reverse (5313110242661), we get a palindrome (6975530355796).

The spelling of 1662420113135 in words is "one trillion, six hundred sixty-two billion, four hundred twenty million, one hundred thirteen thousand, one hundred thirty-five".

Divisors: 1 5 47 235 8941 44705 420227 791201 2101135 3956005 37186447 185932235 7074128141 35370640705 332484022627 1662420113135