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6428117801 = 74122397623
BaseRepresentation
bin1011111110010010…
…10100101100101001
3121120222122012220002
411333021110230221
5101131044232201
62541504512345
7315203046140
oct57711245451
917528565802
106428117801
1127a9561056
1212b491b6b5
137b59a3701
1444da12757
1527950276b
hex17f254b29

6428117801 has 8 divisors (see below), whose sum is σ = 7525601664. Its totient is φ = 5375429280.

The previous prime is 6428117789. The next prime is 6428117821. The reversal of 6428117801 is 1087118246.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6428117801 - 26 = 6428117737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6428117821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11198525 + ... + 11199098.

It is an arithmetic number, because the mean of its divisors is an integer number (940700208).

Almost surely, 26428117801 is an apocalyptic number.

It is an amenable number.

6428117801 is a deficient number, since it is larger than the sum of its proper divisors (1097483863).

6428117801 is a wasteful number, since it uses less digits than its factorization.

6428117801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22397671.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 6428117801 is about 80175.5436588989. The cubic root of 6428117801 is about 1859.3505460827.

The spelling of 6428117801 in words is "six billion, four hundred twenty-eight million, one hundred seventeen thousand, eight hundred one".

Divisors: 1 7 41 287 22397623 156783361 918302543 6428117801