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131222100444133 = 1767157733809971
BaseRepresentation
bin11101110101100010000110…
…101011110000001111100101
3122012121201011210121021200011
4131311202012223300033211
5114144420330203203013
61143030333431450221
736432324656115316
oct3565420653601745
9565551153537604
10131222100444133
11388a1a86825086
121287387bb26971
13582b26375c86a
14245927d93260d
1510285c4603c3d
hex775886af03e5

131222100444133 has 16 divisors (see below), whose sum is σ = 141912978105024. Its totient is φ = 120884919217920.

The previous prime is 131222100444089. The next prime is 131222100444157. The reversal of 131222100444133 is 331444001222131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131222100444133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131222100444095 and 131222100444104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222100444733) 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, 366726163 + ... + 367083808.

It is an arithmetic number, because the mean of its divisors is an integer number (8869561131564).

Almost surely, 2131222100444133 is an apocalyptic number.

It is an amenable number.

131222100444133 is a deficient number, since it is larger than the sum of its proper divisors (10690877660891).

131222100444133 is a wasteful number, since it uses less digits than its factorization.

131222100444133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733810212.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 131222100444133 its reverse (331444001222131), we get a palindrome (462666101666264).

The spelling of 131222100444133 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, one hundred million, four hundred forty-four thousand, one hundred thirty-three".

Divisors: 1 17 67 157 1139 2669 10519 178823 733809971 12474769507 49165268057 115208165447 835809556969 1958538812599 7718947084949 131222100444133