Search a number
-
+
1042044101 = 7148863443
BaseRepresentation
bin111110000111000…
…101010011000101
32200121210022202222
4332013011103011
54113230402401
6251222342125
734552141310
oct7607052305
92617708688
101042044101
1149523017a
12250b8a945
13137b6b257
149c573977
1561738c1b
hex3e1c54c5

1042044101 has 4 divisors (see below), whose sum is σ = 1190907552. Its totient is φ = 893180652.

The previous prime is 1042044071. The next prime is 1042044109. The reversal of 1042044101 is 1014402401.

1042044101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 de Polignac number, because none of the positive numbers 2k-1042044101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042044101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042044109) 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, 74431715 + ... + 74431728.

It is an arithmetic number, because the mean of its divisors is an integer number (297726888).

Almost surely, 21042044101 is an apocalyptic number.

It is an amenable number.

1042044101 is a deficient number, since it is larger than the sum of its proper divisors (148863451).

1042044101 is an equidigital number, since it uses as much as digits as its factorization.

1042044101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148863450.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1042044101 is about 32280.7078763772. The cubic root of 1042044101 is about 1013.8227515101.

Adding to 1042044101 its reverse (1014402401), we get a palindrome (2056446502).

The spelling of 1042044101 in words is "one billion, forty-two million, forty-four thousand, one hundred one".

Divisors: 1 7 148863443 1042044101