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190400052369409 = 2942975743266051
BaseRepresentation
bin101011010010101011110111…
…011111001001100000000001
3220222011001211000111211001121
4223102223313133021200001
5144424003301401310114
61512540324311032241
755050643535654551
oct5322536737114001
9828131730454047
10190400052369409
1155738232930633
121943098036b681
13823185657970c
1435035a9a0b161
151702b2043ba24
hexad2af77c9801

190400052369409 has 16 divisors (see below), whose sum is σ = 197046454590720. Its totient is φ = 183759057820800.

The previous prime is 190400052369313. The next prime is 190400052369427. The reversal of 190400052369409 is 904963250004091.

190400052369409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190400052369409 - 27 = 190400052369281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190400052309409) 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, 715519434 + ... + 715785484.

It is an arithmetic number, because the mean of its divisors is an integer number (12315403411920).

Almost surely, 2190400052369409 is an apocalyptic number.

It is an amenable number.

190400052369409 is a deficient number, since it is larger than the sum of its proper divisors (6646402221311).

190400052369409 is a wasteful number, since it uses less digits than its factorization.

190400052369409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276120.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 190400052369409 in words is "one hundred ninety trillion, four hundred billion, fifty-two million, three hundred sixty-nine thousand, four hundred nine".

Divisors: 1 29 4297 5743 124613 166547 266051 7715479 24677671 715652459 1143221147 1527930893 33153413263 44309995897 6565519047221 190400052369409