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13012242433 = 231946929059
BaseRepresentation
bin11000001111001011…
…10001000000000001
31020120211211101220221
430013211301000001
5203122113224213
65551105303041
7640312143601
oct140745610001
936524741827
1013012242433
115578087373
122631934a81
1312c4a9a148
148b6234c01
1551256e38d
hex307971001

13012242433 has 8 divisors (see below), whose sum is σ = 13579156800. Its totient is φ = 12445425168.

The previous prime is 13012242403. The next prime is 13012242437. The reversal of 13012242433 is 33424221031.

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

It is a cyclic number.

It is not a de Polignac number, because 13012242433 - 225 = 12978688001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13012242398 and 13012242407.

It is not an unprimeable number, because it can be changed into a prime (13012242437) 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, 433258 + ... + 462316.

It is an arithmetic number, because the mean of its divisors is an integer number (1697394600).

Almost surely, 213012242433 is an apocalyptic number.

It is an amenable number.

13012242433 is a deficient number, since it is larger than the sum of its proper divisors (566914367).

13012242433 is a wasteful number, since it uses less digits than its factorization.

13012242433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48551.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13012242433 its reverse (33424221031), we get a palindrome (46436463464).

The spelling of 13012242433 in words is "thirteen billion, twelve million, two hundred forty-two thousand, four hundred thirty-three".

Divisors: 1 23 19469 29059 447787 668357 565749671 13012242433