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13072788386 = 2719793971567
BaseRepresentation
bin11000010110011001…
…01110101110100010
31020202001202110100122
430023030232232202
5203233113212021
610001111120242
7641645603450
oct141314565642
936661673318
1013072788386
1155a9280449
12264a073082
1313044a8758
148c02b59d0
15517a2dbab
hex30b32eba2

13072788386 has 64 divisors (see below), whose sum is σ = 23964057600. Its totient is φ = 5224025664.

The previous prime is 13072788349. The next prime is 13072788413. The reversal of 13072788386 is 68388727031.

13072788386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 8341775 + ... + 8343341.

It is an arithmetic number, because the mean of its divisors is an integer number (374438400).

Almost surely, 213072788386 is an apocalyptic number.

13072788386 is a deficient number, since it is larger than the sum of its proper divisors (10891269214).

13072788386 is a wasteful number, since it uses less digits than its factorization.

13072788386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 13072788386 in words is "thirteen billion, seventy-two million, seven hundred eighty-eight thousand, three hundred eighty-six".

Divisors: 1 2 7 14 19 38 79 133 158 266 397 553 794 1106 1501 1567 2779 3002 3134 5558 7543 10507 10969 15086 21014 21938 29773 31363 52801 59546 62726 105602 123793 208411 219541 247586 416822 439082 595897 622099 866551 1191794 1244198 1733102 2352067 4171279 4354693 4704134 8342558 8709386 11819881 16464469 23639762 32928938 49145821 82739167 98291642 165478334 344020747 688041494 933770599 1867541198 6536394193 13072788386