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1387332101 = 192326312071
BaseRepresentation
bin101001010110001…
…0000001000000101
310120200111202212102
41102230100020011
510320124111401
6345355201445
746244062001
oct12254201005
93520452772
101387332101
11652127161
12328746285
1319156478c
14d2375701
1581be156b
hex52b10205

1387332101 has 16 divisors (see below), whose sum is σ = 1529763840. Its totient is φ = 1252286640.

The previous prime is 1387332071. The next prime is 1387332109. The reversal of 1387332101 is 1012337831.

It is a cyclic number.

It is not a de Polignac number, because 1387332101 - 222 = 1383137797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387332109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108896 + ... + 120966.

It is an arithmetic number, because the mean of its divisors is an integer number (95610240).

Almost surely, 21387332101 is an apocalyptic number.

It is an amenable number.

1387332101 is a deficient number, since it is larger than the sum of its proper divisors (142431739).

1387332101 is a wasteful number, since it uses less digits than its factorization.

1387332101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12376.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1387332101 is about 37246.9072675840. The cubic root of 1387332101 is about 1115.3045615763.

Adding to 1387332101 its reverse (1012337831), we get a palindrome (2399669932).

The spelling of 1387332101 in words is "one billion, three hundred eighty-seven million, three hundred thirty-two thousand, one hundred one".

Divisors: 1 19 23 263 437 4997 6049 12071 114931 229349 277633 3174673 5275027 60318787 73017479 1387332101