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13035013040 = 245723276809
BaseRepresentation
bin11000010001111001…
…01000001110110000
31020122102200021022202
430020330220032300
5203143430404130
65553241322332
7641006532320
oct141074501660
936572607282
1013035013040
115589a1a255
1226394963a8
1312c971068a
148b9281280
1551456b145
hex308f283b0

13035013040 has 40 divisors (see below), whose sum is σ = 34635893280. Its totient is φ = 4469147136.

The previous prime is 13035013039. The next prime is 13035013091. The reversal of 13035013040 is 4031053031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 11637845 + ... + 11638964.

It is an arithmetic number, because the mean of its divisors is an integer number (865897332).

Almost surely, 213035013040 is an apocalyptic number.

13035013040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13035013040 is an abundant number, since it is smaller than the sum of its proper divisors (21600880240).

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

13035013040 is a wasteful number, since it uses less digits than its factorization.

13035013040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23276829 (or 23276823 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 13035013040 its reverse (4031053031), we get a palindrome (17066066071).

The spelling of 13035013040 in words is "thirteen billion, thirty-five million, thirteen thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 23276809 46553618 93107236 116384045 162937663 186214472 232768090 325875326 372428944 465536180 651750652 814688315 931072360 1303501304 1629376630 1862144720 2607002608 3258753260 6517506520 13035013040