Search a number
-
+
10031030033 = 53831186343
BaseRepresentation
bin10010101011110010…
…10101111100010001
3221220002011010022212
421111321111330101
5131020420430113
64335211441505
7503402230343
oct112571257421
927802133285
1010031030033
114288289372
121b3b456295
13c3b26323b
146b231d293
153da98c0a8
hex255e55f11

10031030033 has 4 divisors (see below), whose sum is σ = 10031270208. Its totient is φ = 10030789860.

The previous prime is 10031030017. The next prime is 10031030039. The reversal of 10031030033 is 33003013001.

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.

It is a cyclic number.

It is not a de Polignac number, because 10031030033 - 24 = 10031030017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10031030039) 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, 39341 + ... + 147002.

It is an arithmetic number, because the mean of its divisors is an integer number (2507817552).

Almost surely, 210031030033 is an apocalyptic number.

It is an amenable number.

10031030033 is a deficient number, since it is larger than the sum of its proper divisors (240175).

10031030033 is an equidigital number, since it uses as much as digits as its factorization.

10031030033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240174.

The product of its (nonzero) digits is 81, while the sum is 14.

Adding to 10031030033 its reverse (33003013001), we get a palindrome (43034043034).

The spelling of 10031030033 in words is "ten billion, thirty-one million, thirty thousand, thirty-three".

Divisors: 1 53831 186343 10031030033