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1431040013 = 132310147387
BaseRepresentation
bin101010101001011…
…1111000000001101
310200201202100211222
41111102333000031
510412321240023
6354000053125
750314432214
oct12522770015
93621670758
101431040013
1167486a5a7
1233b3041a5
1319a628c50
14d80b207b
1585976cc8
hex554bf00d

1431040013 has 16 divisors (see below), whose sum is σ = 1624081536. Its totient is φ = 1250990400.

The previous prime is 1431039983. The next prime is 1431040019. The reversal of 1431040013 is 3100401341.

It is a cyclic number.

It is not a de Polignac number, because 1431040013 - 210 = 1431038989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1431039973 and 1431040000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431040019) 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, 6506 + ... + 53892.

It is an arithmetic number, because the mean of its divisors is an integer number (101505096).

Almost surely, 21431040013 is an apocalyptic number.

1431040013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1431040013 is a deficient number, since it is larger than the sum of its proper divisors (193041523).

1431040013 is a wasteful number, since it uses less digits than its factorization.

1431040013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47524.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1431040013 is about 37829.0895079435. The cubic root of 1431040013 is about 1126.8962293314.

Adding to 1431040013 its reverse (3100401341), we get a palindrome (4531441354).

The spelling of 1431040013 in words is "one billion, four hundred thirty-one million, forty thousand, thirteen".

Divisors: 1 13 23 101 299 1313 2323 30199 47387 616031 1089901 4786087 14168713 62219131 110080001 1431040013