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1685734057371 = 371329212925863
BaseRepresentation
bin11000100001111101100…
…101000110010110011011
312222011011201000211221110
4120201331211012112123
5210104340404313441
63330225431111403
7232535030032050
oct30417545062633
95864151024843
101685734057371
1159aa08a23761
12232858b12563
13c2c6bcc17c0
145b838c09027
152dcb31a7b16
hex1887d94659b

1685734057371 has 32 divisors (see below), whose sum is σ = 2861723612160. Its totient is φ = 858517075584.

The previous prime is 1685734057363. The next prime is 1685734057379. The reversal of 1685734057371 is 1737504375861.

It is an interprime number because it is at equal distance from previous prime (1685734057363) and next prime (1685734057379).

It is not a de Polignac number, because 1685734057371 - 23 = 1685734057363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1685734057379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106455015 + ... + 106470848.

It is an arithmetic number, because the mean of its divisors is an integer number (89428862880).

Almost surely, 21685734057371 is an apocalyptic number.

1685734057371 is a deficient number, since it is larger than the sum of its proper divisors (1175989554789).

1685734057371 is a wasteful number, since it uses less digits than its factorization.

1685734057371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212925915.

The product of its (nonzero) digits is 14817600, while the sum is 57.

The spelling of 1685734057371 in words is "one trillion, six hundred eighty-five billion, seven hundred thirty-four million, fifty-seven thousand, three hundred seventy-one".

Divisors: 1 3 7 13 21 29 39 87 91 203 273 377 609 1131 2639 7917 212925863 638777589 1490481041 2768036219 4471443123 6174850027 8304108657 18524550081 19376253533 43223950189 58128760599 80273050351 129671850567 240819151053 561911352457 1685734057371