Search a number
-
+
1313341986 = 2311210117911
BaseRepresentation
bin100111001001000…
…0000001000100010
310101112021200111210
41032102000020202
510142203420421
6334153250550
744355136245
oct11622001042
93345250453
101313341986
11614390300
12307a03a56
1317c129a48
14c65d525c
157a478576
hex4e480222

1313341986 has 48 divisors (see below), whose sum is σ = 2915930304. Its totient is φ = 394020000.

The previous prime is 1313341943. The next prime is 1313342003. The reversal of 1313341986 is 6891433131.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64371 + ... + 82281.

It is an arithmetic number, because the mean of its divisors is an integer number (60748548).

Almost surely, 21313341986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313341986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1457965152).

1313341986 is an abundant number, since it is smaller than the sum of its proper divisors (1602588318).

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

1313341986 is a wasteful number, since it uses less digits than its factorization.

1313341986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18039 (or 18028 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 1313341986 is about 36240.0605131945. The cubic root of 1313341986 is about 1095.1138615153.

The spelling of 1313341986 in words is "one billion, three hundred thirteen million, three hundred forty-one thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 11 22 33 66 101 121 202 242 303 363 606 726 1111 2222 3333 6666 12221 17911 24442 35822 36663 53733 73326 107466 197021 394042 591063 1182126 1809011 2167231 3618022 4334462 5427033 6501693 10854066 13003386 19899121 39798242 59697363 119394726 218890331 437780662 656670993 1313341986