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2418401693 = 5623430091
BaseRepresentation
bin1001000000100101…
…1110000110011101
320020112122112110002
42100021132012131
514423102323233
61035550424045
7113634034541
oct22011360635
96215575402
102418401693
111031140a94
12575b02025
132c705c726
1418d28da21
15e24ad6e8
hex9025e19d

2418401693 has 4 divisors (see below), whose sum is σ = 2418837408. Its totient is φ = 2417965980.

The previous prime is 2418401663. The next prime is 2418401701. The reversal of 2418401693 is 3961048142.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2418401693 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 (2418401603) 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, 209423 + ... + 220668.

It is an arithmetic number, because the mean of its divisors is an integer number (604709352).

Almost surely, 22418401693 is an apocalyptic number.

It is an amenable number.

2418401693 is a deficient number, since it is larger than the sum of its proper divisors (435715).

2418401693 is an equidigital number, since it uses as much as digits as its factorization.

2418401693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435714.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 2418401693 is about 49177.2477168050. The cubic root of 2418401693 is about 1342.2790526762.

The spelling of 2418401693 in words is "two billion, four hundred eighteen million, four hundred one thousand, six hundred ninety-three".

Divisors: 1 5623 430091 2418401693