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13011046552 = 237238397499
BaseRepresentation
bin11000001111000010…
…01101000010011000
31020120202120122111001
430013201031002120
5203121311442202
65551023514344
7640266033220
oct140741150230
936522518431
1013011046552
11557743a939
1226314589b4
1312c476ba1a
148b6003080
155123d4d87
hex30784d098

13011046552 has 32 divisors (see below), whose sum is σ = 27892800000. Its totient is φ = 5573765664.

The previous prime is 13011046507. The next prime is 13011046553. The reversal of 13011046552 is 25564011031.

It is a super-2 number, since 2×130110465522 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 13011046552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011046553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84699 + ... + 182197.

It is an arithmetic number, because the mean of its divisors is an integer number (871650000).

Almost surely, 213011046552 is an apocalyptic number.

It is an amenable number.

13011046552 is an abundant number, since it is smaller than the sum of its proper divisors (14881753448).

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

13011046552 is a wasteful number, since it uses less digits than its factorization.

13011046552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99895 (or 99891 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 13011046552 its reverse (25564011031), we get a palindrome (38575057583).

The spelling of 13011046552 in words is "thirteen billion, eleven million, forty-six thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 2383 4766 9532 16681 19064 33362 66724 97499 133448 194998 389996 682493 779992 1364986 2729972 5459944 232340117 464680234 929360468 1626380819 1858720936 3252761638 6505523276 13011046552