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405192745317 = 3135064248439
BaseRepresentation
bin1011110010101110101…
…11101010000101100101
31102201212120122011102110
411321113113222011211
523114313320322232
6510050514431233
741163024336123
oct5712727520545
91381776564373
10405192745317
11146928817858
1266642292519
132c2953b40c9
141587bab8913
15a817724acc
hex5e575ea165

405192745317 has 4 divisors (see below), whose sum is σ = 540256993760. Its totient is φ = 270128496876.

The previous prime is 405192745313. The next prime is 405192745361. The reversal of 405192745317 is 713547291504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 405192745317 - 22 = 405192745313 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 (405192745313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67532124217 + ... + 67532124222.

It is an arithmetic number, because the mean of its divisors is an integer number (135064248440).

Almost surely, 2405192745317 is an apocalyptic number.

It is an amenable number.

405192745317 is a deficient number, since it is larger than the sum of its proper divisors (135064248443).

405192745317 is a wasteful number, since it uses less digits than its factorization.

405192745317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135064248442.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 405192745317 in words is "four hundred five billion, one hundred ninety-two million, seven hundred forty-five thousand, three hundred seventeen".

Divisors: 1 3 135064248439 405192745317