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13011104 = 254147211
BaseRepresentation
bin110001101000…
…100010100000
3220111000212202
4301220202200
511312323404
61142512332
7215410151
oct61504240
926430782
1013011104
117387487
1244356a8
1329072a2
141a29928
15122021e
hexc688a0

13011104 has 48 divisors (see below), whose sum is σ = 26925696. Its totient is φ = 6182400.

The previous prime is 13011091. The next prime is 13011107. The reversal of 13011104 is 40111031.

It is not an unprimeable number, because it can be changed into a prime (13011107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61559 + ... + 61769.

It is an arithmetic number, because the mean of its divisors is an integer number (560952).

Almost surely, 213011104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13011104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13462848).

13011104 is an abundant number, since it is smaller than the sum of its proper divisors (13914592).

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

13011104 is a wasteful number, since it uses less digits than its factorization.

13011104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 13011104 is about 3607.0907945323. The cubic root of 13011104 is about 235.2003964391.

Adding to 13011104 its reverse (40111031), we get a palindrome (53122135).

The spelling of 13011104 in words is "thirteen million, eleven thousand, one hundred four".

Divisors: 1 2 4 8 16 32 41 47 82 94 164 188 211 328 376 422 656 752 844 1312 1504 1688 1927 3376 3854 6752 7708 8651 9917 15416 17302 19834 30832 34604 39668 61664 69208 79336 138416 158672 276832 317344 406597 813194 1626388 3252776 6505552 13011104