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1000013013 = 3337037519
BaseRepresentation
bin111011100110101…
…111110011010101
32120200200220222000
4323212233303111
54022000404023
6243121425513
733531653556
oct7346576325
92520626860
101000013013
1147353263a
1223aa9b299
1312c24309c
1496b5232d
155cbd5243
hex3b9afcd5

1000013013 has 8 divisors (see below), whose sum is σ = 1481500800. Its totient is φ = 666675324.

The previous prime is 1000013011. The next prime is 1000013017. The reversal of 1000013013 is 3103100001.

It is not a de Polignac number, because 1000013013 - 21 = 1000013011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1000012986 and 1000013004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000013011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18518733 + ... + 18518786.

It is an arithmetic number, because the mean of its divisors is an integer number (185187600).

Almost surely, 21000013013 is an apocalyptic number.

It is an amenable number.

1000013013 is a deficient number, since it is larger than the sum of its proper divisors (481487787).

1000013013 is an equidigital number, since it uses as much as digits as its factorization.

1000013013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37037528 (or 37037522 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 1000013013 is about 31622.9823546104. The cubic root of 1000013013 is about 1000.0043376479.

Adding to 1000013013 its reverse (3103100001), we get a palindrome (4103113014).

The spelling of 1000013013 in words is "one billion, thirteen thousand, thirteen".

Divisors: 1 3 9 27 37037519 111112557 333337671 1000013013