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6340148420 = 225892335527
BaseRepresentation
bin1011110011110011…
…01111110011000100
3121100212002220120212
411321321233303010
5100441034222140
62525043214552
7313054241504
oct57171576304
917325086525
106340148420
112763937391
12128b377458
137a06b2b18
14442073a04
15271927765
hex179e6fcc4

6340148420 has 24 divisors (see below), whose sum is σ = 13316178624. Its totient is φ = 2535703776.

The previous prime is 6340148389. The next prime is 6340148443. The reversal of 6340148420 is 248410436.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160697 + ... + 196223.

It is an arithmetic number, because the mean of its divisors is an integer number (554840776).

Almost surely, 26340148420 is an apocalyptic number.

It is an amenable number.

6340148420 is an abundant number, since it is smaller than the sum of its proper divisors (6976030204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6340148420 is a wasteful number, since it uses less digits than its factorization.

6340148420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44459 (or 44457 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 6340148420 is about 79625.0489481796. The cubic root of 6340148420 is about 1850.8297636436.

Adding to 6340148420 its reverse (248410436), we get a palindrome (6588558856).

The spelling of 6340148420 in words is "six billion, three hundred forty million, one hundred forty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 8923 17846 35527 35692 44615 71054 89230 142108 177635 178460 355270 710540 317007421 634014842 1268029684 1585037105 3170074210 6340148420