Search a number
-
+
1145013033 = 3381671011
BaseRepresentation
bin100010000111111…
…1000001100101001
32221210112200121010
41010033320030221
54321110404113
6305341334133
740242310263
oct10417701451
92853480533
101145013033
1153836a26a
1227b567349
131532b1208
14ac0d8b33
156a7c81c3
hex443f8329

1145013033 has 4 divisors (see below), whose sum is σ = 1526684048. Its totient is φ = 763342020.

The previous prime is 1145013031. The next prime is 1145013041. The reversal of 1145013033 is 3303105411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3303105411 = 31101035137.

It is not a de Polignac number, because 1145013033 - 21 = 1145013031 is a prime.

It is a super-2 number, since 2×11450130332 = 2622109691479718178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145013031) 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, 190835503 + ... + 190835508.

It is an arithmetic number, because the mean of its divisors is an integer number (381671012).

Almost surely, 21145013033 is an apocalyptic number.

It is an amenable number.

1145013033 is a deficient number, since it is larger than the sum of its proper divisors (381671015).

1145013033 is an equidigital number, since it uses as much as digits as its factorization.

1145013033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381671014.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1145013033 is about 33838.0412110394. The cubic root of 1145013033 is about 1046.1729259536.

Adding to 1145013033 its reverse (3303105411), we get a palindrome (4448118444).

The spelling of 1145013033 in words is "one billion, one hundred forty-five million, thirteen thousand, thirty-three".

Divisors: 1 3 381671011 1145013033