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1538053807 is a prime number
BaseRepresentation
bin101101110101100…
…1101011010101111
310222012010020011211
41123223031122233
511122220210212
6412341455251
753054145613
oct13353153257
93865106154
101538053807
1171a211654
1236b111527
131b6857014
141083ab343
15900649a7
hex5bacd6af

1538053807 has 2 divisors, whose sum is σ = 1538053808. Its totient is φ = 1538053806.

The previous prime is 1538053793. The next prime is 1538053823. The reversal of 1538053807 is 7083508351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1538053807 - 211 = 1538051759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1538053807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1538053877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769026903 + 769026904.

It is an arithmetic number, because the mean of its divisors is an integer number (769026904).

Almost surely, 21538053807 is an apocalyptic number.

1538053807 is a deficient number, since it is larger than the sum of its proper divisors (1).

1538053807 is an equidigital number, since it uses as much as digits as its factorization.

1538053807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 1538053807 is about 39218.0291065219. The cubic root of 1538053807 is about 1154.3136810758.

The spelling of 1538053807 in words is "one billion, five hundred thirty-eight million, fifty-three thousand, eight hundred seven".