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1313816706 = 2331031991187
BaseRepresentation
bin100111001001111…
…0100000010000010
310101120011210201000
41032103310002002
510142314113311
6334211352430
744362154256
oct11623640202
93346153630
101313816706
11614684a34
12307bb2716
1317c264b47
14c66ba266
157a51e056
hex4e4f4082

1313816706 has 64 divisors (see below), whose sum is σ = 2965248000. Its totient is φ = 431144208.

The previous prime is 1313816659. The next prime is 1313816743. The reversal of 1313816706 is 6076183131.

It is a super-2 number, since 2×13138167062 = 3452228673929380872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1106245 + ... + 1107431.

It is an arithmetic number, because the mean of its divisors is an integer number (46332000).

Almost surely, 21313816706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313816706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482624000).

1313816706 is an abundant number, since it is smaller than the sum of its proper divisors (1651431294).

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

1313816706 is a wasteful number, since it uses less digits than its factorization.

1313816706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1313816706 is about 36246.6095793800. The cubic root of 1313816706 is about 1095.2457920744.

Adding to 1313816706 its reverse (6076183131), we get a palindrome (7389999837).

The spelling of 1313816706 in words is "one billion, three hundred thirteen million, eight hundred sixteen thousand, seven hundred six".

Divisors: 1 2 3 6 9 18 27 54 103 199 206 309 398 597 618 927 1187 1194 1791 1854 2374 2781 3561 3582 5373 5562 7122 10683 10746 20497 21366 32049 40994 61491 64098 122261 122982 184473 236213 244522 366783 368946 472426 553419 708639 733566 1100349 1106838 1417278 2125917 2200698 3301047 4251834 6377751 6602094 12755502 24329939 48659878 72989817 145979634 218969451 437938902 656908353 1313816706