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1013345015 = 57111325261
BaseRepresentation
bin111100011001100…
…110101011110111
32121121210021000212
4330121212223313
54033404020030
6244315300035
734053201434
oct7431465367
92547707025
101013345015
11480009121
1224344a61b
13131c30447
1498822b8b
155de6a595
hex3c666af7

1013345015 has 16 divisors (see below), whose sum is σ = 1244102976. Its totient is φ = 792153600.

The previous prime is 1013344979. The next prime is 1013345029. The reversal of 1013345015 is 5105433101.

It is not a de Polignac number, because 1013345015 - 212 = 1013340919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27485 + ... + 52745.

It is an arithmetic number, because the mean of its divisors is an integer number (77756436).

Almost surely, 21013345015 is an apocalyptic number.

1013345015 is a deficient number, since it is larger than the sum of its proper divisors (230757961).

1013345015 is a wasteful number, since it uses less digits than its factorization.

1013345015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25450.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1013345015 is about 31833.0805138303. The cubic root of 1013345015 is about 1004.4286960309.

Adding to 1013345015 its reverse (5105433101), we get a palindrome (6118778116).

The spelling of 1013345015 in words is "one billion, thirteen million, three hundred forty-five thousand, fifteen".

Divisors: 1 5 71 113 355 565 8023 25261 40115 126305 1793531 2854493 8967655 14272465 202669003 1013345015