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1011330413 = 2644938237
BaseRepresentation
bin111100010001111…
…010110101101101
32121110222220111222
4330101322311231
54032400033123
6244204153125
734030111112
oct7421726555
92543886458
101011330413
11479962565
122428387a5
131316a6482
149845a909
155dbbd6c8
hex3c47ad6d

1011330413 has 4 divisors (see below), whose sum is σ = 1011395100. Its totient is φ = 1011265728.

The previous prime is 1011330409. The next prime is 1011330431. The reversal of 1011330413 is 3140331101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3140331101 = 12832447647.

It can be written as a sum of positive squares in 2 ways, for example, as 284327044 + 727003369 = 16862^2 + 26963^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011330413 - 22 = 1011330409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011330391 and 1011330400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011330433) 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, 7331 + ... + 45567.

It is an arithmetic number, because the mean of its divisors is an integer number (252848775).

Almost surely, 21011330413 is an apocalyptic number.

It is an amenable number.

1011330413 is a deficient number, since it is larger than the sum of its proper divisors (64687).

1011330413 is an equidigital number, since it uses as much as digits as its factorization.

1011330413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64686.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1011330413 is about 31801.4215562764. The cubic root of 1011330413 is about 1003.7626291985.

Adding to 1011330413 its reverse (3140331101), we get a palindrome (4151661514).

The spelling of 1011330413 in words is "one billion, eleven million, three hundred thirty thousand, four hundred thirteen".

Divisors: 1 26449 38237 1011330413