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17247743142 = 23721741731153
BaseRepresentation
bin10000000100000010…
…111010110010100110
31122112000200010121120
4100010002322302212
5240310410240032
611531250554410
71150262253300
oct200402726246
948460603546
1017247743142
1173509a0783
123414298a06
13181b425796
14b9896c970
156ae31262c
hex4040baca6

17247743142 has 192 divisors, whose sum is σ = 44158613184. Its totient is φ = 4459069440.

The previous prime is 17247743113. The next prime is 17247743147. The reversal of 17247743142 is 24134774271.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 17247743094 and 17247743103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17247743147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14958438 + ... + 14959590.

It is an arithmetic number, because the mean of its divisors is an integer number (229992777).

Almost surely, 217247743142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17247743142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22079306592).

17247743142 is an abundant number, since it is smaller than the sum of its proper divisors (26910870042).

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

17247743142 is a wasteful number, since it uses less digits than its factorization.

17247743142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303 (or 1296 counting only the distinct ones).

The product of its digits is 263424, while the sum is 42.

The spelling of 17247743142 in words is "seventeen billion, two hundred forty-seven million, seven hundred forty-three thousand, one hundred forty-two".