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1011407465 = 5202281493
BaseRepresentation
bin111100010010001…
…101101001101001
32121111010211012202
4330102031221221
54032410014330
6244205545545
734030551545
oct7422155151
92544124182
101011407465
11479a05442
122428752b5
13131702573
149847aa25
155dbd6445
hex3c48da69

1011407465 has 4 divisors (see below), whose sum is σ = 1213688964. Its totient is φ = 809125968.

The previous prime is 1011407461. The next prime is 1011407473. The reversal of 1011407465 is 5647041101.

1011407465 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 an emirpimes, since its reverse is a distinct semiprime: 5647041101 = 13434387777.

It can be written as a sum of positive squares in 2 ways, for example, as 786017296 + 225390169 = 28036^2 + 15013^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011407465 - 22 = 1011407461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011407461) 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, 101140742 + ... + 101140751.

It is an arithmetic number, because the mean of its divisors is an integer number (303422241).

Almost surely, 21011407465 is an apocalyptic number.

It is an amenable number.

1011407465 is a deficient number, since it is larger than the sum of its proper divisors (202281499).

1011407465 is an equidigital number, since it uses as much as digits as its factorization.

1011407465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202281498.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1011407465 is about 31802.6329884807. The cubic root of 1011407465 is about 1003.7881203578.

Adding to 1011407465 its reverse (5647041101), we get a palindrome (6658448566).

The spelling of 1011407465 in words is "one billion, eleven million, four hundred seven thousand, four hundred sixty-five".

Divisors: 1 5 202281493 1011407465