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12142152634460 = 2253071977549289
BaseRepresentation
bin1011000010110001000010…
…1100011101000001011100
31120222210000111100010212212
42300230100230131001130
53042414112033300320
641454010010215552
72362145601325022
oct260542054350134
946883014303785
1012142152634460
113961504687092
1214412924245b8
136a100023ac84
142dd97d078712
15160ca2b049c5
hexb0b10b1d05c

12142152634460 has 24 divisors (see below), whose sum is σ = 25581577615440. Its totient is φ = 4841040657024.

The previous prime is 12142152634459. The next prime is 12142152634463. The reversal of 12142152634460 is 6443625124121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142152634463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988768505 + ... + 988780784.

It is an arithmetic number, because the mean of its divisors is an integer number (1065899067310).

Almost surely, 212142152634460 is an apocalyptic number.

12142152634460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12142152634460 is an abundant number, since it is smaller than the sum of its proper divisors (13439424980980).

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

12142152634460 is a wasteful number, since it uses less digits than its factorization.

12142152634460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977549605 (or 1977549603 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

Adding to 12142152634460 its reverse (6443625124121), we get a palindrome (18585777758581).

The spelling of 12142152634460 in words is "twelve trillion, one hundred forty-two billion, one hundred fifty-two million, six hundred thirty-four thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 307 614 1228 1535 3070 6140 1977549289 3955098578 7910197156 9887746445 19775492890 39550985780 607107631723 1214215263446 2428430526892 3035538158615 6071076317230 12142152634460