Search a number
-
+
405913863419 = 3240112527819
BaseRepresentation
bin1011110100000100101…
…10100000010011111011
31102210201211112202111022
411322002112200103323
523122302422112134
6510250234453055
741216631624221
oct5720226402373
91383654482438
10405913863419
11147168880529
126680389418b
132c37b9087cc
141590978cb11
15a85abb952e
hex5e825a04fb

405913863419 has 4 divisors (see below), whose sum is σ = 405926423640. Its totient is φ = 405901303200.

The previous prime is 405913863403. The next prime is 405913863461. The reversal of 405913863419 is 914368319504.

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 405913863419 - 24 = 405913863403 is a prime.

It is a super-2 number, since 2×4059138634192 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405913868419) 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, 6231509 + ... + 6296310.

It is an arithmetic number, because the mean of its divisors is an integer number (101481605910).

Almost surely, 2405913863419 is an apocalyptic number.

405913863419 is a deficient number, since it is larger than the sum of its proper divisors (12560221).

405913863419 is a wasteful number, since it uses less digits than its factorization.

405913863419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12560220.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 405913863419 in words is "four hundred five billion, nine hundred thirteen million, eight hundred sixty-three thousand, four hundred nineteen".

Divisors: 1 32401 12527819 405913863419