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190749531703 = 19431032266753
BaseRepresentation
bin1011000110100110001…
…1101101111000110111
3200020100122220012120111
42301221203231320313
511111123340003303
6223343520243451
716531644160453
oct2615143557067
9606318805514
10190749531703
1173995157485
1230b75770587
1314cab9c42b3
14933770b663
154e662beb6d
hex2c698ede37

190749531703 has 16 divisors (see below), whose sum is σ = 207453326080. Its totient is φ = 174793780224.

The previous prime is 190749531647. The next prime is 190749531719. The reversal of 190749531703 is 307135947091.

It is a cyclic number.

It is not a de Polignac number, because 190749531703 - 221 = 190747434551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190749531743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1049226 + ... + 1217527.

It is an arithmetic number, because the mean of its divisors is an integer number (12965832880).

Almost surely, 2190749531703 is an apocalyptic number.

190749531703 is a deficient number, since it is larger than the sum of its proper divisors (16703794377).

190749531703 is a wasteful number, since it uses less digits than its factorization.

190749531703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266918.

The product of its (nonzero) digits is 714420, while the sum is 49.

The spelling of 190749531703 in words is "one hundred ninety billion, seven hundred forty-nine million, five hundred thirty-one thousand, seven hundred three".

Divisors: 1 19 43 103 817 1957 4429 84151 2266753 43068307 97470379 233475559 1851937201 4436035621 10039449037 190749531703