Search a number
-
+
131242320412011 = 32412391488160021
BaseRepresentation
bin11101110101110100111011…
…111000110011110101101011
3122012200122100222001002010100
4131311310323320303311223
5114200233233011141021
61143043520055520443
736433642022033064
oct3565647370636553
9565618328032110
10131242320412011
11388aa612435236
1212877783689123
1358301368933b3
14245a23b11756b
151028da9820626
hex775d3be33d6b

131242320412011 has 24 divisors (see below), whose sum is σ = 195008489282880. Its totient is φ = 85003700342400.

The previous prime is 131242320412003. The next prime is 131242320412051. The reversal of 131242320412011 is 110214023242131.

131242320412011 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 4 + 232 + 0 + 412 + 0 + 11 = 666.

It is not a de Polignac number, because 131242320412011 - 23 = 131242320412003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131242320412051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 743991820 + ... + 744168201.

It is an arithmetic number, because the mean of its divisors is an integer number (8125353720120).

Almost surely, 2131242320412011 is an apocalyptic number.

131242320412011 is a deficient number, since it is larger than the sum of its proper divisors (63766168870869).

131242320412011 is a wasteful number, since it uses less digits than its factorization.

131242320412011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488160307 (or 1488160304 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 131242320412011 its reverse (110214023242131), we get a palindrome (241456343654142).

The spelling of 131242320412011 in words is "one hundred thirty-one trillion, two hundred forty-two billion, three hundred twenty million, four hundred twelve thousand, eleven".

Divisors: 1 3 9 41 123 239 369 717 2151 9799 29397 88191 1488160021 4464480063 13393440189 61014560861 183043682583 355670245019 549131047749 1067010735057 3201032205171 14582480045779 43747440137337 131242320412011