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13892218332 = 2231157684861
BaseRepresentation
bin11001111000000101…
…00110110111011100
31022212011122210220220
430330002212313130
5211422401441312
610214302241340
71001155623156
oct147402466734
938764583826
1013892218332
115989882283
122838586250
1314051a2445
1495b05bad6
15564942c8c
hex33c0a6ddc

13892218332 has 12 divisors (see below), whose sum is σ = 32415176136. Its totient is φ = 4630739440.

The previous prime is 13892218303. The next prime is 13892218343. The reversal of 13892218332 is 23381229831.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×138922183323 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578842419 + ... + 578842442.

It is an arithmetic number, because the mean of its divisors is an integer number (2701264678).

Almost surely, 213892218332 is an apocalyptic number.

13892218332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13892218332 is an abundant number, since it is smaller than the sum of its proper divisors (18522957804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13892218332 is a wasteful number, since it uses less digits than its factorization.

13892218332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157684868 (or 1157684866 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The spelling of 13892218332 in words is "thirteen billion, eight hundred ninety-two million, two hundred eighteen thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 1157684861 2315369722 3473054583 4630739444 6946109166 13892218332