Search a number
-
+
2130136154 = 21065068077
BaseRepresentation
bin111111011110111…
…0100110001011010
312111110020010110122
41332331310301122
513330303324104
6551212113242
7103533600326
oct17675646132
95443203418
102130136154
119a3451903
124b5465822
1327c40cac3
14162c92986
15c701b6be
hex7ef74c5a

2130136154 has 4 divisors (see below), whose sum is σ = 3195204234. Its totient is φ = 1065068076.

The previous prime is 2130136121. The next prime is 2130136241. The reversal of 2130136154 is 4516310312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2106351025 + 23785129 = 45895^2 + 4877^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532534037 + ... + 532534040.

Almost surely, 22130136154 is an apocalyptic number.

2130136154 is a deficient number, since it is larger than the sum of its proper divisors (1065068080).

2130136154 is a wasteful number, since it uses less digits than its factorization.

2130136154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065068079.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2130136154 is about 46153.3980764147. The cubic root of 2130136154 is about 1286.6757657131.

Adding to 2130136154 its reverse (4516310312), we get a palindrome (6646446466).

The spelling of 2130136154 in words is "two billion, one hundred thirty million, one hundred thirty-six thousand, one hundred fifty-four".

Divisors: 1 2 1065068077 2130136154