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17142743740 = 2251921144617
BaseRepresentation
bin11111111011100100…
…11000001010111100
31122020201002121111211
433331302120022330
5240102020244430
611513020254204
71144545626503
oct177562301274
948221077454
1017142743740
1172a76a5111
1233a50a1364
131802751565
14b88a3983a
156a4ec172a
hex3fdc982bc

17142743740 has 24 divisors (see below), whose sum is σ = 36002442672. Its totient is φ = 6856586880.

The previous prime is 17142743729. The next prime is 17142743773. The reversal of 17142743740 is 4734724171.

It is a junction number, because it is equal to n+sod(n) for n = 17142743693 and 17142743702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361912 + ... + 406528.

It is an arithmetic number, because the mean of its divisors is an integer number (1500101778).

Almost surely, 217142743740 is an apocalyptic number.

17142743740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17142743740 is an abundant number, since it is smaller than the sum of its proper divisors (18859698932).

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

17142743740 is a wasteful number, since it uses less digits than its factorization.

17142743740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63837 (or 63835 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The spelling of 17142743740 in words is "seventeen billion, one hundred forty-two million, seven hundred forty-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 19211 38422 44617 76844 89234 96055 178468 192110 223085 384220 446170 892340 857137187 1714274374 3428548748 4285685935 8571371870 17142743740