Search a number
-
+
12432101331 = 313953334493
BaseRepresentation
bin10111001010000001…
…01100111111010011
31012002102012011221110
423211000230333103
5200430104220311
65413343024403
7620036055246
oct134500547723
935072164843
1012432101331
1152aa662811
1224ab59b103
1312318356a0
1485d17b25d
154cb6758a6
hex2e502cfd3

12432101331 has 16 divisors (see below), whose sum is σ = 17870007456. Its totient is φ = 7642473216.

The previous prime is 12432101293. The next prime is 12432101333. The reversal of 12432101331 is 13310123421.

It is not a de Polignac number, because 12432101331 - 213 = 12432093139 is a prime.

It is a super-2 number, since 2×124321013312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12432101298 and 12432101307.

It is not an unprimeable number, because it can be changed into a prime (12432101333) 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, 130080 + ... + 204413.

It is an arithmetic number, because the mean of its divisors is an integer number (1116875466).

Almost surely, 212432101331 is an apocalyptic number.

12432101331 is a deficient number, since it is larger than the sum of its proper divisors (5437906125).

12432101331 is a wasteful number, since it uses less digits than its factorization.

12432101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335462.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12432101331 its reverse (13310123421), we get a palindrome (25742224752).

The spelling of 12432101331 in words is "twelve billion, four hundred thirty-two million, one hundred one thousand, three hundred thirty-one".

Divisors: 1 3 13 39 953 2859 12389 37167 334493 1003479 4348409 13045227 318771829 956315487 4144033777 12432101331