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1300087140 = 2235111969829
BaseRepresentation
bin100110101111101…
…1100000101100100
310100121100021021120
41031133130011210
510130310242030
6333001213540
744134362342
oct11537340544
93317307246
101300087140
11607957790
123034912b0
13179468841
14c4944992
157920b010
hex4d7dc164

1300087140 has 48 divisors (see below), whose sum is σ = 3971177280. Its totient is φ = 315172480.

The previous prime is 1300087127. The next prime is 1300087181. The reversal of 1300087140 is 417800031.

It is a self number, because there is not a number n which added to its sum of digits gives 1300087140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984255 + ... + 985574.

It is an arithmetic number, because the mean of its divisors is an integer number (82732860).

Almost surely, 21300087140 is an apocalyptic number.

1300087140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300087140 is an abundant number, since it is smaller than the sum of its proper divisors (2671090140).

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

1300087140 is a wasteful number, since it uses less digits than its factorization.

1300087140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969852 (or 1969850 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1300087140 is about 36056.7211487678. The cubic root of 1300087140 is about 1091.4172681511.

Adding to 1300087140 its reverse (417800031), we get a palindrome (1717887171).

The spelling of 1300087140 in words is "one billion, three hundred million, eighty-seven thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 1969829 3939658 5909487 7879316 9849145 11818974 19698290 21668119 23637948 29547435 39396580 43336238 59094870 65004357 86672476 108340595 118189740 130008714 216681190 260017428 325021785 433362380 650043570 1300087140