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13530530442 = 23111315769849
BaseRepresentation
bin11001001100111101…
…11000001010001010
31021220222002011102010
430212132320022022
5210202303433232
610114342120350
7656204416422
oct144636701212
937828064363
1013530530442
1158136a4870
1227574200b6
131378286340
14924dcb482
15542ceb0cc
hex3267b828a

13530530442 has 32 divisors (see below), whose sum is σ = 31792017600. Its totient is φ = 3784763520.

The previous prime is 13530530441. The next prime is 13530530443. The reversal of 13530530442 is 24403503531.

It is an interprime number because it is at equal distance from previous prime (13530530441) and next prime (13530530443).

It is not an unprimeable number, because it can be changed into a prime (13530530441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7884067 + ... + 7885782.

It is an arithmetic number, because the mean of its divisors is an integer number (993500550).

Almost surely, 213530530442 is an apocalyptic number.

13530530442 is an abundant number, since it is smaller than the sum of its proper divisors (18261487158).

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

13530530442 is a wasteful number, since it uses less digits than its factorization.

13530530442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15769878.

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 13530530442 in words is "thirteen billion, five hundred thirty million, five hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 286 429 858 15769849 31539698 47309547 94619094 173468339 205008037 346936678 410016074 520405017 615024111 1040810034 1230048222 2255088407 4510176814 6765265221 13530530442