Search a number
-
+
12412351331 = 195097691669
BaseRepresentation
bin10111000111101010…
…10111001101100011
31012001001000210000222
423203311113031203
5200410030220311
65411355433255
7616406150132
oct134365271543
935031023028
1012412351331
11529a4a32a6
1224a4a5582b
13122a70bcb3
1485a6b9919
154c9a73adb
hex2e3d57363

12412351331 has 16 divisors (see below), whose sum is σ = 13116180000. Its totient is φ = 11713683456.

The previous prime is 12412351313. The next prime is 12412351333. The reversal of 12412351331 is 13315321421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12412351331 is a prime.

It is a super-2 number, since 2×124123513312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12412351331.

It is not an unprimeable number, because it can be changed into a prime (12412351333) 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, 7436165 + ... + 7437833.

It is an arithmetic number, because the mean of its divisors is an integer number (819761250).

Almost surely, 212412351331 is an apocalyptic number.

12412351331 is a deficient number, since it is larger than the sum of its proper divisors (703828669).

12412351331 is a wasteful number, since it uses less digits than its factorization.

12412351331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966.

The product of its digits is 2160, while the sum is 26.

Adding to 12412351331 its reverse (13315321421), we get a palindrome (25727672752).

The spelling of 12412351331 in words is "twelve billion, four hundred twelve million, three hundred fifty-one thousand, three hundred thirty-one".

Divisors: 1 19 509 769 1669 9671 14611 31711 391421 849521 1283461 7436999 16140899 24385759 653281649 12412351331