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12432143032 = 2331109745697
BaseRepresentation
bin10111001010000001…
…10111001010111000
31012002102021022010221
423211000313022320
5200430112034112
65413343545424
7620036320651
oct134500671270
935072238127
1012432143032
1152aa691081
1224ab5bb274
13123184b66a
1485d18c528
154cb682e07
hex2e50372b8

12432143032 has 32 divisors (see below), whose sum is σ = 24084673920. Its totient is φ = 6009937920.

The previous prime is 12432143029. The next prime is 12432143039. The reversal of 12432143032 is 23034123421.

It is a junction number, because it is equal to n+sod(n) for n = 12432142988 and 12432143006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432143039) 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, 249208 + ... + 294904.

It is an arithmetic number, because the mean of its divisors is an integer number (752646060).

Almost surely, 212432143032 is an apocalyptic number.

It is an amenable number.

12432143032 is a deficient number, since it is larger than the sum of its proper divisors (11652530888).

12432143032 is a wasteful number, since it uses less digits than its factorization.

12432143032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46831 (or 46827 counting only the distinct ones).

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

Adding to 12432143032 its reverse (23034123421), we get a palindrome (35466266453).

The spelling of 12432143032 in words is "twelve billion, four hundred thirty-two million, one hundred forty-three thousand, thirty-two".

Divisors: 1 2 4 8 31 62 124 248 1097 2194 4388 8776 34007 45697 68014 91394 136028 182788 272056 365576 1416607 2833214 5666428 11332856 50129609 100259218 200518436 401036872 1554017879 3108035758 6216071516 12432143032