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190734093647 = 831772293111
BaseRepresentation
bin1011000110100010100…
…0110100110101001111
3200020022120211212112122
42301220220310311033
511111110411444042
6223342205323155
716531366021526
oct2615050646517
9606276755478
10190734093647
1173987472659
1230b705664bb
1314ca874a456
14933564d4bd
154e64c707d2
hex2c68a34d4f

190734093647 has 4 divisors (see below), whose sum is σ = 190736469936. Its totient is φ = 190731717360.

The previous prime is 190734093601. The next prime is 190734093653. The reversal of 190734093647 is 746390437091.

190734093647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190734093647 - 28 = 190734093391 is a prime.

It is a super-3 number, since 3×1907340936473 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190734063647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063379 + ... + 1229732.

It is an arithmetic number, because the mean of its divisors is an integer number (47684117484).

Almost surely, 2190734093647 is an apocalyptic number.

190734093647 is a deficient number, since it is larger than the sum of its proper divisors (2376289).

190734093647 is an equidigital number, since it uses as much as digits as its factorization.

190734093647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376288.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The spelling of 190734093647 in words is "one hundred ninety billion, seven hundred thirty-four million, ninety-three thousand, six hundred forty-seven".

Divisors: 1 83177 2293111 190734093647