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190974373345055 = 5291518722282409
BaseRepresentation
bin101011011011000010101111…
…101011110011011100011111
3221001011222020102202021102202
4223123002233223303130133
5200012411004034020210
61514100225502442115
755140305000501426
oct5333025753633437
9831158212667382
10190974373345055
1155939860075053
121950414329333b
138273a630c6851
1435232cd6702bd
151712a35ba99a5
hexadb0afaf371f

190974373345055 has 16 divisors (see below), whose sum is σ = 238641646737600. Its totient is φ = 146534344454400.

The previous prime is 190974373345037. The next prime is 190974373345057. The reversal of 190974373345055 is 550543373479091.

It is not a de Polignac number, because 190974373345055 - 210 = 190974373344031 is a prime.

It is a super-2 number, since 2×1909743733450552 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190974373344982 and 190974373345000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190974373345057) 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, 4361119310 + ... + 4361163099.

It is an arithmetic number, because the mean of its divisors is an integer number (14915102921100).

Almost surely, 2190974373345055 is an apocalyptic number.

190974373345055 is a deficient number, since it is larger than the sum of its proper divisors (47667273392545).

190974373345055 is a wasteful number, since it uses less digits than its factorization.

190974373345055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8722282594.

The product of its (nonzero) digits is 214326000, while the sum is 65.

The spelling of 190974373345055 in words is "one hundred ninety trillion, nine hundred seventy-four billion, three hundred seventy-three million, three hundred forty-five thousand, fifty-five".

Divisors: 1 5 29 145 151 755 4379 21895 8722282409 43611412045 252946189861 1264730949305 1317064643759 6585323218795 38194874669011 190974373345055