Search a number
-
+
1142180735 = 5228436147
BaseRepresentation
bin100010000010100…
…0100101101111111
32221121012210102012
41010011010231333
54314344240420
6305200521435
740206242663
oct10405045577
92847183365
101142180735
11536805323
1227a62027b
1315282bcb7
14ab99c8a3
156a418dc5
hex44144b7f

1142180735 has 4 divisors (see below), whose sum is σ = 1370616888. Its totient is φ = 913744584.

The previous prime is 1142180729. The next prime is 1142180737. The reversal of 1142180735 is 5370812411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5370812411 = 37914171009.

It is a cyclic number.

It is not a de Polignac number, because 1142180735 - 26 = 1142180671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142180737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114218069 + ... + 114218078.

It is an arithmetic number, because the mean of its divisors is an integer number (342654222).

Almost surely, 21142180735 is an apocalyptic number.

1142180735 is a deficient number, since it is larger than the sum of its proper divisors (228436153).

1142180735 is an equidigital number, since it uses as much as digits as its factorization.

1142180735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228436152.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1142180735 is about 33796.1645013158. The cubic root of 1142180735 is about 1045.3096111817.

The spelling of 1142180735 in words is "one billion, one hundred forty-two million, one hundred eighty thousand, seven hundred thirty-five".

Divisors: 1 5 228436147 1142180735