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13542554233 = 13280133457
BaseRepresentation
bin11001001110011001…
…01111101001111001
31021221210201000221201
430213030233221321
5210213343213413
610115451534201
7656411545255
oct144714575171
937853630851
1013542554233
11581a46748a
12275b45a361
13137a906100
1492683b265
15543dc39dd
hex32732fa79

13542554233 has 6 divisors (see below), whose sum is σ = 14664422814. Its totient is φ = 12500819136.

The previous prime is 13542554219. The next prime is 13542554239. The reversal of 13542554233 is 33245524531.

It can be written as a sum of positive squares in 3 ways, for example, as 1224440064 + 12318114169 = 34992^2 + 110987^2 .

It is not a de Polignac number, because 13542554233 - 29 = 13542553721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13542554192 and 13542554201.

It is not an unprimeable number, because it can be changed into a prime (13542554239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40066560 + ... + 40066897.

It is an arithmetic number, because the mean of its divisors is an integer number (2444070469).

Almost surely, 213542554233 is an apocalyptic number.

13542554233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13542554233 is a deficient number, since it is larger than the sum of its proper divisors (1121868581).

13542554233 is an equidigital number, since it uses as much as digits as its factorization.

13542554233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80133483 (or 80133470 counting only the distinct ones).

The product of its digits is 216000, while the sum is 37.

The spelling of 13542554233 in words is "thirteen billion, five hundred forty-two million, five hundred fifty-four thousand, two hundred thirty-three".

Divisors: 1 13 169 80133457 1041734941 13542554233