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13000431395 = 57547679051
BaseRepresentation
bin11000001101110001…
…01101011100100011
31020120000121100020002
430012320231130203
5203111102301040
65550004210215
7640106562230
oct140670553443
936500540202
1013000431395
11557144a586
12262999996b
1312c24c3173
148b483c787
155114d9a15
hex306e2d723

13000431395 has 16 divisors (see below), whose sum is σ = 17861783808. Its totient is φ = 8898271200.

The previous prime is 13000431383. The next prime is 13000431401. The reversal of 13000431395 is 59313400031.

13000431395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13000431395 - 220 = 12999382819 is a prime.

It is a super-2 number, since 2×130004313952 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320381 + ... + 358670.

It is an arithmetic number, because the mean of its divisors is an integer number (1116361488).

Almost surely, 213000431395 is an apocalyptic number.

13000431395 is a deficient number, since it is larger than the sum of its proper divisors (4861352413).

13000431395 is an equidigital number, since it uses as much as digits as its factorization.

13000431395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679610.

The product of its (nonzero) digits is 4860, while the sum is 29.

The spelling of 13000431395 in words is "thirteen billion, four hundred thirty-one thousand, three hundred ninety-five".

Divisors: 1 5 7 35 547 2735 3829 19145 679051 3395255 4753357 23766785 371440897 1857204485 2600086279 13000431395