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1307728801 = 18149914479
BaseRepresentation
bin100110111110010…
…0101101110100001
310101010201111200001
41031330211232201
510134234310201
6333433100001
744256340261
oct11574455641
93333644601
101307728801
116111a7005
12305b57601
1317ac12b32
14c59737a1
1579c1a301
hex4df25ba1

1307728801 has 8 divisors (see below), whose sum is σ = 1317680000. Its totient is φ = 1297807920.

The previous prime is 1307728783. The next prime is 1307728817. The reversal of 1307728801 is 1088277031.

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 1307728801 - 27 = 1307728673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1307728841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83080 + ... + 97558.

It is an arithmetic number, because the mean of its divisors is an integer number (164710000).

Almost surely, 21307728801 is an apocalyptic number.

It is an amenable number.

1307728801 is a deficient number, since it is larger than the sum of its proper divisors (9951199).

1307728801 is a wasteful number, since it uses less digits than its factorization.

1307728801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15159.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 1307728801 is about 36162.5331109423. The cubic root of 1307728801 is about 1093.5514720553.

The spelling of 1307728801 in words is "one billion, three hundred seven million, seven hundred twenty-eight thousand, eight hundred one".

Divisors: 1 181 499 14479 90319 2620699 7225021 1307728801