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13453332043 = 315963111657
BaseRepresentation
bin11001000011110000…
…11000111001001011
31021201120211002010011
430201320120321023
5210023023111133
610102543332351
7654246302254
oct144170307113
937646732104
1013453332043
115784067538
1227355b10b7
131365297208
14918a53b2b
1553b14c6cd
hex321e18e4b

13453332043 has 16 divisors (see below), whose sum is σ = 14146283520. Its totient is φ = 12777307200.

The previous prime is 13453332001. The next prime is 13453332059. The reversal of 13453332043 is 34023335431.

It is not a de Polignac number, because 13453332043 - 221 = 13451234891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13453331996 and 13453332014.

It is not an unprimeable number, because it can be changed into a prime (13453332073) 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, 1148271 + ... + 1159927.

It is an arithmetic number, because the mean of its divisors is an integer number (884142720).

Almost surely, 213453332043 is an apocalyptic number.

13453332043 is a deficient number, since it is larger than the sum of its proper divisors (692951477).

13453332043 is a wasteful number, since it uses less digits than its factorization.

13453332043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12378.

The product of its (nonzero) digits is 38880, while the sum is 31.

Adding to 13453332043 its reverse (34023335431), we get a palindrome (47476667474).

The spelling of 13453332043 in words is "thirteen billion, four hundred fifty-three million, three hundred thirty-two thousand, forty-three".

Divisors: 1 31 59 631 1829 11657 19561 37229 361367 687763 1154099 7355567 21320653 228022577 433978453 13453332043