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13523400430 = 2511311967611
BaseRepresentation
bin11001001100000111…
…01011011011101110
31021220110122220212121
430212003223123232
5210143442303210
610113525223154
7656060002261
oct144603533356
937813586777
1013523400430
11580a6749a1
122754b61aba
13137695abb7
14924092cd8
1554238d6da
hex3260eb6ee

13523400430 has 16 divisors (see below), whose sum is σ = 24557539824. Its totient is φ = 5361489280.

The previous prime is 13523400427. The next prime is 13523400439. The reversal of 13523400430 is 3400432531.

13523400430 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13523400395 and 13523400404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13523400439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5982676 + ... + 5984935.

It is an arithmetic number, because the mean of its divisors is an integer number (1534846239).

Almost surely, 213523400430 is an apocalyptic number.

13523400430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13523400430 is a deficient number, since it is larger than the sum of its proper divisors (11034139394).

13523400430 is a wasteful number, since it uses less digits than its factorization.

13523400430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11967731.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 13523400430 its reverse (3400432531), we get a palindrome (16923832961).

The spelling of 13523400430 in words is "thirteen billion, five hundred twenty-three million, four hundred thousand, four hundred thirty".

Divisors: 1 2 5 10 113 226 565 1130 11967611 23935222 59838055 119676110 1352340043 2704680086 6761700215 13523400430