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13012033232 = 2411436532633
BaseRepresentation
bin11000001111001001…
…11101111011010000
31020120211102202221202
430013210331323100
5203122040030412
65551101010332
7640310312642
oct140744757320
936524382852
1013012033232
115577a54180
1226318539a8
1312c4a25b63
148b61bc892
1551252c3c2
hex30793ded0

13012033232 has 80 divisors (see below), whose sum is σ = 28196106048. Its totient is φ = 5765975040.

The previous prime is 13012033231. The next prime is 13012033241. The reversal of 13012033232 is 23233021031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012033231) 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, 4940588 + ... + 4943220.

Almost surely, 213012033232 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 13012033232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14098053024).

13012033232 is an abundant number, since it is smaller than the sum of its proper divisors (15184072816).

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

13012033232 is a wasteful number, since it uses less digits than its factorization.

13012033232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348 (or 3342 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13012033232 its reverse (23233021031), we get a palindrome (36245054263).

The spelling of 13012033232 in words is "thirteen billion, twelve million, thirty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 16 22 43 44 86 88 172 176 344 473 653 688 946 1306 1892 2612 2633 3784 5224 5266 7183 7568 10448 10532 14366 21064 28079 28732 28963 42128 56158 57464 57926 112316 113219 114928 115852 224632 226438 231704 308869 449264 452876 463408 617738 905752 1235476 1245409 1719349 1811504 2470952 2490818 3438698 4941904 4981636 6877396 9963272 13754792 18912839 19926544 27509584 37825678 73932007 75651356 147864014 151302712 295728028 302605424 591456056 813252077 1182912112 1626504154 3253008308 6506016616 13012033232