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1013335405 = 51711921593
BaseRepresentation
bin111100011001100…
…100010101101101
32121121202202211221
4330121210111231
54033403213110
6244315143341
734053131425
oct7431442555
92547682757
101013335405
11480001985
12243444b51
13131c28c64
149881d485
155de677da
hex3c66456d

1013335405 has 8 divisors (see below), whose sum is σ = 1287532152. Its totient is φ = 762981888.

The previous prime is 1013335397. The next prime is 1013335447. The reversal of 1013335405 is 5045333101.

It can be written as a sum of positive squares in 4 ways, for example, as 64818601 + 948516804 = 8051^2 + 30798^2 .

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 1013335405 - 23 = 1013335397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013335405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5960712 + ... + 5960881.

It is an arithmetic number, because the mean of its divisors is an integer number (160941519).

Almost surely, 21013335405 is an apocalyptic number.

It is an amenable number.

1013335405 is a deficient number, since it is larger than the sum of its proper divisors (274196747).

1013335405 is a wasteful number, since it uses less digits than its factorization.

1013335405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11921615.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1013335405 is about 31832.9295698652. The cubic root of 1013335405 is about 1004.4255208734.

Adding to 1013335405 its reverse (5045333101), we get a palindrome (6058668506).

The spelling of 1013335405 in words is "one billion, thirteen million, three hundred thirty-five thousand, four hundred five".

Divisors: 1 5 17 85 11921593 59607965 202667081 1013335405