[go: up one dir, main page]

Search a number
-
+
1015405013 = 7698320773
BaseRepresentation
bin111100100001011…
…101100111010101
32121202122220211002
4330201131213111
54034420430023
6244431353045
734106541320
oct7441354725
92552586732
101015405013
114811958a7
12244082785
131324a1c8c
1498bdb7b7
155e225b28
hex3c85d9d5

1015405013 has 8 divisors (see below), whose sum is σ = 1160684928. Its totient is φ = 870180624.

The previous prime is 1015404997. The next prime is 1015405037. The reversal of 1015405013 is 3105045101.

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 1015405013 - 24 = 1015404997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015405213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38495 + ... + 59267.

It is an arithmetic number, because the mean of its divisors is an integer number (145085616).

Almost surely, 21015405013 is an apocalyptic number.

It is an amenable number.

1015405013 is a deficient number, since it is larger than the sum of its proper divisors (145279915).

1015405013 is an equidigital number, since it uses as much as digits as its factorization.

1015405013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27763.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1015405013 is about 31865.4203330193. The cubic root of 1015405013 is about 1005.1088594407.

The spelling of 1015405013 in words is "one billion, fifteen million, four hundred five thousand, thirteen".

Divisors: 1 7 6983 20773 48881 145411 145057859 1015405013