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13123452153432 = 2331314174126003
BaseRepresentation
bin1011111011111000101010…
…1101000010111001011000
31201110120220221111201000110
42332332022231002321120
53210003312222402212
643524455232404320
72523065243525145
oct276761255027130
951416827451013
1013123452153432
1141aa696681885
12157b4b56a66a0
137426c8128c0a
1433526da333cc
1517b587747a3c
hexbef8ab42e58

13123452153432 has 32 divisors (see below), whose sum is σ = 33059077951680. Its totient is φ = 4341091042080.

The previous prime is 13123452153403. The next prime is 13123452153437. The reversal of 13123452153432 is 23435125432131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123452153437) 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, 2087059858 + ... + 2087066145.

It is an arithmetic number, because the mean of its divisors is an integer number (1033096185990).

Almost surely, 213123452153432 is an apocalyptic number.

13123452153432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13123452153432 is an abundant number, since it is smaller than the sum of its proper divisors (19935625798248).

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

13123452153432 is a wasteful number, since it uses less digits than its factorization.

13123452153432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4174126143 (or 4174126139 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

Adding to 13123452153432 its reverse (23435125432131), we get a palindrome (36558577585563).

The spelling of 13123452153432 in words is "thirteen trillion, one hundred twenty-three billion, four hundred fifty-two million, one hundred fifty-three thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 131 262 393 524 786 1048 1572 3144 4174126003 8348252006 12522378009 16696504012 25044756018 33393008024 50089512036 100179024072 546810506393 1093621012786 1640431519179 2187242025572 3280863038358 4374484051144 6561726076716 13123452153432