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13445137433 = 7131117713219
BaseRepresentation
bin11001000010110010…
…01000010000011001
31021201000101202020002
430201121020100121
5210013423344213
610102051542345
7654116532260
oct144131102031
937630352202
1013445137433
11577a47a832
1227328ba9b5
131363688330
1491791d5d7
1553a57e658
hex321648419

13445137433 has 16 divisors (see below), whose sum is σ = 16550593920. Its totient is φ = 10636154496.

The previous prime is 13445137423. The next prime is 13445137451. The reversal of 13445137433 is 33473154431.

It is a cyclic number.

It is not a de Polignac number, because 13445137433 - 28 = 13445137177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13445137403) 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, 1010498 + ... + 1023716.

It is an arithmetic number, because the mean of its divisors is an integer number (1034412120).

Almost surely, 213445137433 is an apocalyptic number.

13445137433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13445137433 is a deficient number, since it is larger than the sum of its proper divisors (3105456487).

13445137433 is a wasteful number, since it uses less digits than its factorization.

13445137433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24416.

The product of its digits is 181440, while the sum is 38.

The spelling of 13445137433 in words is "thirteen billion, four hundred forty-five million, one hundred thirty-seven thousand, four hundred thirty-three".

Divisors: 1 7 13 91 11177 13219 78239 92533 145301 171847 1017107 1202929 147748763 1034241341 1920733919 13445137433