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1387317289227 = 319371374801519
BaseRepresentation
bin10100001100000010100…
…011011110000100001011
311220121220112020100000020
4110030002203132010023
5140212211211223402
62541154052111523
7202142005250622
oct24140243360413
94817815210006
101387317289227
114953a3495a41
121a4a559055a3
13a0a921a759c
144b20a0746b9
15261499d48bc
hex143028de10b

1387317289227 has 32 divisors (see below), whose sum is σ = 2014333670400. Its totient is φ = 846296356608.

The previous prime is 1387317289213. The next prime is 1387317289231. The reversal of 1387317289227 is 7229827137831.

It is not a de Polignac number, because 1387317289227 - 211 = 1387317287179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1387317289247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2111827 + ... + 2689692.

It is an arithmetic number, because the mean of its divisors is an integer number (62947927200).

Almost surely, 21387317289227 is an apocalyptic number.

1387317289227 is a deficient number, since it is larger than the sum of its proper divisors (627016381173).

1387317289227 is a wasteful number, since it uses less digits than its factorization.

1387317289227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4801715.

The product of its digits is 14224896, while the sum is 60.

The spelling of 1387317289227 in words is "one trillion, three hundred eighty-seven billion, three hundred seventeen million, two hundred eighty-nine thousand, two hundred twenty-seven".

Divisors: 1 3 19 37 57 111 137 411 703 2109 2603 5069 7809 15207 96311 288933 4801519 14404557 91228861 177656203 273686583 532968609 657808103 1973424309 3375467857 10126403571 12498353957 24338899811 37495061871 73016699433 462439096409 1387317289227