Search a number
-
+
1142111030 = 251011130803
BaseRepresentation
bin100010000010011…
…0011101100110110
32221121002020210112
41010010303230312
54314340023110
6305155223022
740205532524
oct10404635466
92847066715
101142111030
11536767a15
1227a5a7a72
13152806358
14ab981314
156a403405
hex44133b36

1142111030 has 16 divisors (see below), whose sum is σ = 2076156144. Its totient is φ = 452320800.

The previous prime is 1142111029. The next prime is 1142111039. The reversal of 1142111030 is 301112411.

It is a junction number, because it is equal to n+sod(n) for n = 1142110996 and 1142111014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142111039) 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, 564392 + ... + 566411.

It is an arithmetic number, because the mean of its divisors is an integer number (129759759).

Almost surely, 21142111030 is an apocalyptic number.

1142111030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142111030 is a deficient number, since it is larger than the sum of its proper divisors (934045114).

1142111030 is a wasteful number, since it uses less digits than its factorization.

1142111030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130911.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1142111030 is about 33795.1332295051. The cubic root of 1142111030 is about 1045.2883463659.

Adding to 1142111030 its reverse (301112411), we get a palindrome (1443223441).

The spelling of 1142111030 in words is "one billion, one hundred forty-two million, one hundred eleven thousand, thirty".

Divisors: 1 2 5 10 101 202 505 1010 1130803 2261606 5654015 11308030 114211103 228422206 571055515 1142111030