Search a number
-
+
1311444029 = 7199941453
BaseRepresentation
bin100111000101011…
…0000110000111101
310101101201021000002
41032022300300331
510141212202104
6334044444045
744333042660
oct11612606075
93341637002
101311444029
11613304345
12307249625
1317b913bac
14c625d6d7
157a20101e
hex4e2b0c3d

1311444029 has 8 divisors (see below), whose sum is σ = 1506326400. Its totient is φ = 1118444976.

The previous prime is 1311444023. The next prime is 1311444059. The reversal of 1311444029 is 9204441131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311444029 - 220 = 1310395453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1311443992 and 1311444010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311444023) 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, 469334 + ... + 472119.

It is an arithmetic number, because the mean of its divisors is an integer number (188290800).

Almost surely, 21311444029 is an apocalyptic number.

It is an amenable number.

1311444029 is a deficient number, since it is larger than the sum of its proper divisors (194882371).

1311444029 is an equidigital number, since it uses as much as digits as its factorization.

1311444029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941659.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1311444029 is about 36213.8651485864. The cubic root of 1311444029 is about 1094.5860779236.

The spelling of 1311444029 in words is "one billion, three hundred eleven million, four hundred forty-four thousand, twenty-nine".

Divisors: 1 7 199 1393 941453 6590171 187349147 1311444029