Search a number
-
+
1505935139 = 127112310559
BaseRepresentation
bin101100111000010…
…1011111100100011
310212221200102122112
41121300223330203
511041004411024
6405233225535
752214144312
oct13160537443
93787612575
101505935139
117030743a5
123604022ab
131accbc8a7
1410400a279
158c31d00e
hex59c2bf23

1505935139 has 8 divisors (see below), whose sum is σ = 1519288320. Its totient is φ = 1492605576.

The previous prime is 1505935133. The next prime is 1505935141. The reversal of 1505935139 is 9315395051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1505935139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1505935096 and 1505935105.

It is not an unprimeable number, because it can be changed into a prime (1505935133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137342 + ... + 147900.

It is an arithmetic number, because the mean of its divisors is an integer number (189911040).

Almost surely, 21505935139 is an apocalyptic number.

1505935139 is a deficient number, since it is larger than the sum of its proper divisors (13353181).

1505935139 is a wasteful number, since it uses less digits than its factorization.

1505935139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11809.

The product of its (nonzero) digits is 91125, while the sum is 41.

The square root of 1505935139 is about 38806.3801326534. The cubic root of 1505935139 is about 1146.2220418865. Note that the first 3 decimals are identical.

The spelling of 1505935139 in words is "one billion, five hundred five million, nine hundred thirty-five thousand, one hundred thirty-nine".

Divisors: 1 127 1123 10559 142621 1340993 11857757 1505935139