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1313511006 = 23228795723
BaseRepresentation
bin100111001001010…
…1001011001011110
310101112121021100210
41032102221121132
510142224323011
6334201033250
744356442103
oct11622513136
93345537323
101313511006
11614496295
12307a85826
1317c188962
14c663aaaa
157a4ad6a6
hex4e4a965e

1313511006 has 16 divisors (see below), whose sum is σ = 2628198144. Its totient is φ = 437640984.

The previous prime is 1313510999. The next prime is 1313511019. The reversal of 1313511006 is 6001153131.

It is a super-2 number, since 2×13135110062 = 3450622325766264072, which contains 22 as substring.

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, 34140 + ... + 61583.

It is an arithmetic number, because the mean of its divisors is an integer number (164262384).

Almost surely, 21313511006 is an apocalyptic number.

1313511006 is an abundant number, since it is smaller than the sum of its proper divisors (1314687138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313511006 is a wasteful number, since it uses less digits than its factorization.

1313511006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98015.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1313511006 is about 36242.3923879205. The cubic root of 1313511006 is about 1095.1608379077.

Adding to 1313511006 its reverse (6001153131), we get a palindrome (7314664137).

The spelling of 1313511006 in words is "one billion, three hundred thirteen million, five hundred eleven thousand, six".

Divisors: 1 2 3 6 2287 4574 6861 13722 95723 191446 287169 574338 218918501 437837002 656755503 1313511006