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1314812660 = 225722941011
BaseRepresentation
bin100111001011110…
…0111001011110100
310101122001101220012
41032113213023310
510143043001120
6334244555352
744403503030
oct11627471364
93348041805
101314812660
116151a5237
123083b2b58
1317c523275
14c68991c0
157a6691c5
hex4e5e72f4

1314812660 has 48 divisors (see below), whose sum is σ = 3169407360. Its totient is φ = 448813440.

The previous prime is 1314812659. The next prime is 1314812669. The reversal of 1314812660 is 662184131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314812669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11555 + ... + 52565.

It is an arithmetic number, because the mean of its divisors is an integer number (66029320).

Almost surely, 21314812660 is an apocalyptic number.

1314812660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1314812660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1584703680).

1314812660 is an abundant number, since it is smaller than the sum of its proper divisors (1854594700).

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

1314812660 is a wasteful number, since it uses less digits than its factorization.

1314812660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41256 (or 41254 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1314812660 is about 36260.3455581990. The cubic root of 1314812660 is about 1095.5224767656.

Adding to 1314812660 its reverse (662184131), we get a palindrome (1976996791).

The spelling of 1314812660 in words is "one billion, three hundred fourteen million, eight hundred twelve thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 229 458 916 1145 1603 2290 3206 4580 6412 8015 16030 32060 41011 82022 164044 205055 287077 410110 574154 820220 1148308 1435385 2870770 5741540 9391519 18783038 37566076 46957595 65740633 93915190 131481266 187830380 262962532 328703165 657406330 1314812660