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22187212113349 = 431593478918127
BaseRepresentation
bin1010000101101110111001…
…11001011000010111000101
32220120002001221221002110201
411002313130321120113011
510402003402300111344
6115104355312250501
74446654541154413
oct502673471302705
986502057832421
1022187212113349
1170845a8900558
1225a4044540a31
13c4c32570132a
14569c1c6ba2b3
152872187d44d4
hex142ddce585c5

22187212113349 has 16 divisors (see below), whose sum is σ = 22282073256960. Its totient is φ = 22092572033280.

The previous prime is 22187212113347. The next prime is 22187212113371. The reversal of 22187212113349 is 94331121278122.

It is a cyclic number.

It is not a de Polignac number, because 22187212113349 - 21 = 22187212113347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22187212113299 and 22187212113308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22187212113343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1223977924 + ... + 1223996050.

It is an arithmetic number, because the mean of its divisors is an integer number (1392629578560).

Almost surely, 222187212113349 is an apocalyptic number.

It is an amenable number.

22187212113349 is a deficient number, since it is larger than the sum of its proper divisors (94861143611).

22187212113349 is a wasteful number, since it uses less digits than its factorization.

22187212113349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23940.

The product of its digits is 290304, while the sum is 46.

The spelling of 22187212113349 in words is "twenty-two trillion, one hundred eighty-seven billion, two hundred twelve million, one hundred thirteen thousand, three hundred forty-nine".

Divisors: 1 431 593 4789 18127 255583 2064059 2839877 7812737 10749311 86810203 1223986987 4632953041 37415197493 51478450379 22187212113349