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20350168517 = 710128783831
BaseRepresentation
bin10010111100111101…
…101110110111000101
31221112020102200011002
4102330331232313011
5313134120343032
613203154423045
71320203402240
oct227475566705
957466380132
1020350168517
1186a3159898
123b3b291a85
131bc40bc743
14db09d8257
157e1889862
hex4bcf6edc5

20350168517 has 8 divisors (see below), whose sum is σ = 23487606912. Its totient is φ = 17270298000.

The previous prime is 20350168477. The next prime is 20350168561. The reversal of 20350168517 is 71586105302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20350168517 - 214 = 20350152133 is a prime.

It is a super-3 number, since 3×203501685173 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20350168567) 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, 14391209 + ... + 14392622.

It is an arithmetic number, because the mean of its divisors is an integer number (2935950864).

Almost surely, 220350168517 is an apocalyptic number.

It is an amenable number.

20350168517 is a deficient number, since it is larger than the sum of its proper divisors (3137438395).

20350168517 is a wasteful number, since it uses less digits than its factorization.

20350168517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28783939.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 20350168517 in words is "twenty billion, three hundred fifty million, one hundred sixty-eight thousand, five hundred seventeen".

Divisors: 1 7 101 707 28783831 201486817 2907166931 20350168517