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13842980918 = 213745771399
BaseRepresentation
bin11001110010001101…
…10010000000110110
31022201202000021212222
430321012302000312
5211322300342133
610205343042342
71000020252644
oct147106620066
938652007788
1013842980918
1159640024a8
122823ba03b2
1313c7c23190
149546c2194
15560468e98
hex3391b2036

13842980918 has 16 divisors (see below), whose sum is σ = 22365050400. Its totient is φ = 6388121856.

The previous prime is 13842980909. The next prime is 13842980947. The reversal of 13842980918 is 81908924831.

It is a super-2 number, since 2×138429809182 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13842980918.

It is a congruent number.

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, 158183 + ... + 229581.

It is an arithmetic number, because the mean of its divisors is an integer number (1397815650).

Almost surely, 213842980918 is an apocalyptic number.

13842980918 is a deficient number, since it is larger than the sum of its proper divisors (8522069482).

13842980918 is a wasteful number, since it uses less digits than its factorization.

13842980918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78871.

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 13842980918 in words is "thirteen billion, eight hundred forty-two million, nine hundred eighty thousand, nine hundred eighteen".

Divisors: 1 2 13 26 7457 14914 71399 96941 142798 193882 928187 1856374 532422343 1064844686 6921490459 13842980918