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1313012001 = 3762524381
BaseRepresentation
bin100111001000010…
…1111100100100001
310101111122220212010
41032100233210201
510142112341001
6334142223133
744352263220
oct11620574441
93344586763
101313012001
11614185394
12307884aa9
1317c0427a2
14c654acb7
157a4108d6
hex4e42f921

1313012001 has 8 divisors (see below), whose sum is σ = 2000780224. Its totient is φ = 750292560.

The previous prime is 1313011993. The next prime is 1313012027. The reversal of 1313012001 is 1002103131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313012001 - 23 = 1313011993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313012101) 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, 31262170 + ... + 31262211.

It is an arithmetic number, because the mean of its divisors is an integer number (250097528).

Almost surely, 21313012001 is an apocalyptic number.

It is an amenable number.

1313012001 is a deficient number, since it is larger than the sum of its proper divisors (687768223).

1313012001 is an equidigital number, since it uses as much as digits as its factorization.

1313012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62524391.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1313012001 is about 36235.5074616046. The cubic root of 1313012001 is about 1095.0221358716.

Adding to 1313012001 its reverse (1002103131), we get a palindrome (2315115132).

The spelling of 1313012001 in words is "one billion, three hundred thirteen million, twelve thousand, one".

Divisors: 1 3 7 21 62524381 187573143 437670667 1313012001