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6128306427 = 3451972
BaseRepresentation
bin1011011010100011…
…01000100011111011
3120211002111020000010
411231101220203323
5100022321301202
62452034513003
7304602513405
oct55521504373
916732436003
106128306427
1126652a6361
121230435763
13768840729
14421c8bb75
1525d02e76c
hex16d4688fb

6128306427 has 6 divisors (see below), whose sum is σ = 8171256028. Its totient is φ = 4085447224.

The previous prime is 6128306423. The next prime is 6128306441. The reversal of 6128306427 is 7246038216.

It is a happy number.

It is not a de Polignac number, because 6128306427 - 22 = 6128306423 is a prime.

It is a super-2 number, since 2×61283064272 = 75112279326419012658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6128306423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112993 + ... + 158189.

Almost surely, 26128306427 is an apocalyptic number.

6128306427 is a deficient number, since it is larger than the sum of its proper divisors (2042949601).

6128306427 is an frugal number, since it uses more digits than its factorization.

6128306427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90397 (or 45200 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 6128306427 is about 78283.5003496905. The cubic root of 6128306427 is about 1829.9820264591.

The spelling of 6128306427 in words is "six billion, one hundred twenty-eight million, three hundred six thousand, four hundred twenty-seven".

Divisors: 1 3 45197 135591 2042768809 6128306427