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13155420132 = 2232477775071
BaseRepresentation
bin11000100000001111…
…11100011111100100
31020221211020120210200
430100013330133210
5203420241421012
610013222150500
7644001140361
oct142007743744
936854216720
1013155420132
115640989948
122671882430
13131864a98a
148cb265468
1551ee023dc
hex3101fc7e4

13155420132 has 36 divisors (see below), whose sum is σ = 33961514496. Its totient is φ = 4291838640.

The previous prime is 13155420119. The next prime is 13155420139. The reversal of 13155420132 is 23102455131.

13155420132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 13155420096 and 13155420105.

It is not an unprimeable number, because it can be changed into a prime (13155420139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3885844 + ... + 3889227.

Almost surely, 213155420132 is an apocalyptic number.

13155420132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13155420132 is an abundant number, since it is smaller than the sum of its proper divisors (20806094364).

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

13155420132 is a wasteful number, since it uses less digits than its factorization.

13155420132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7775128 (or 7775123 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 13155420132 its reverse (23102455131), we get a palindrome (36257875263).

The spelling of 13155420132 in words is "thirteen billion, one hundred fifty-five million, four hundred twenty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 47 94 141 188 282 423 564 846 1692 7775071 15550142 23325213 31100284 46650426 69975639 93300852 139951278 279902556 365428337 730856674 1096285011 1461713348 2192570022 3288855033 4385140044 6577710066 13155420132