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386139202801 = 11217233232
BaseRepresentation
bin1011001111001111011…
…00001010010011110001
31100220200201000220202121
411213213230022103301
522311303113442201
6453220115114241
736616614032362
oct5474754122361
91326621026677
10386139202801
11139840571300
1262a052a2981
132a549b1a9b1
14149913a3b69
15a09eb109a1
hex59e7b0a4f1

386139202801 has 27 divisors (see below), whose sum is σ = 451005057643. Its totient is φ = 330287059520.

The previous prime is 386139202777. The next prime is 386139202811. The reversal of 386139202801 is 108202931683.

The square root of 386139202801 is 621401.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 300627407025 + 85511795776 = 548295^2 + 292424^2 .

It is not a de Polignac number, because 386139202801 - 223 = 386130814193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386139202811) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 116200326 + ... + 116203648.

Almost surely, 2386139202801 is an apocalyptic number.

386139202801 is the 621401-st square number.

386139202801 is the 310701-st centered octagonal number.

It is an amenable number.

386139202801 is a deficient number, since it is larger than the sum of its proper divisors (64865854842).

386139202801 is an frugal number, since it uses more digits than its factorization.

386139202801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6702 (or 3351 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 386139202801 in words is "three hundred eighty-six billion, one hundred thirty-nine million, two hundred two thousand, eight hundred one".

Divisors: 1 11 17 121 187 289 2057 3179 3323 34969 36553 56491 402083 621401 960347 6835411 10563817 11042329 116201987 121465619 187719593 1336121809 2064915523 3191233081 22714070753 35103563891 386139202801