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1431199073 = 19313240659
BaseRepresentation
bin101010101001110…
…0101110101100001
310200202001110001002
41111103211311201
510412341332243
6354003321345
750315664023
oct12523456541
93622043032
101431199073
11674969057
1233b380255
1319a683475
14d8114013
15859a8eb8
hex554e5d61

1431199073 has 8 divisors (see below), whose sum is σ = 1511344800. Its totient is φ = 1351535328.

The previous prime is 1431199069. The next prime is 1431199117. The reversal of 1431199073 is 3709911341.

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 1431199073 - 22 = 1431199069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431199673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114383 + ... + 126276.

It is an arithmetic number, because the mean of its divisors is an integer number (188918100).

Almost surely, 21431199073 is an apocalyptic number.

It is an amenable number.

1431199073 is a deficient number, since it is larger than the sum of its proper divisors (80145727).

1431199073 is a wasteful number, since it uses less digits than its factorization.

1431199073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240991.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 1431199073 is about 37831.1917998891. The cubic root of 1431199073 is about 1126.9379792643.

The spelling of 1431199073 in words is "one billion, four hundred thirty-one million, one hundred ninety-nine thousand, seventy-three".

Divisors: 1 19 313 5947 240659 4572521 75326267 1431199073