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13555213842 = 232259202307
BaseRepresentation
bin11001001111111010…
…00010011000010010
31021222200112012200010
430213331002120102
5210230113320332
610121023135350
7656624262612
oct144775023022
937880465603
1013555213842
115826623875
122763744556
1313804193c1
149283b4a42
155450749cc
hex327f42612

13555213842 has 8 divisors (see below), whose sum is σ = 27110427696. Its totient is φ = 4518404612.

The previous prime is 13555213817. The next prime is 13555213849. The reversal of 13555213842 is 24831255531.

It is a sphenic number, since it is the product of 3 distinct primes.

13555213842 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 13555213842.

It is not an unprimeable number, because it can be changed into a prime (13555213849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129601148 + ... + 1129601159.

It is an arithmetic number, because the mean of its divisors is an integer number (3388803462).

Almost surely, 213555213842 is an apocalyptic number.

13555213842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13555213842 is a wasteful number, since it uses less digits than its factorization.

13555213842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259202312.

The product of its digits is 144000, while the sum is 39.

The spelling of 13555213842 in words is "thirteen billion, five hundred fifty-five million, two hundred thirteen thousand, eight hundred forty-two".

Divisors: 1 2 3 6 2259202307 4518404614 6777606921 13555213842