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13391942030 = 2531181238673
BaseRepresentation
bin11000111100011100…
…01101000110001110
31021120022022010211222
430132032031012032
5204411314121110
610052511443342
7652602425525
oct143616150616
937508263758
1013391942030
115752447295
122718b26552
13135565166c
149108334bc
15535a72c55
hex31e38d18e

13391942030 has 32 divisors (see below), whose sum is σ = 25020672768. Its totient is φ = 5155315200.

The previous prime is 13391942029. The next prime is 13391942033. The reversal of 13391942030 is 3024919331.

13391942030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×133919420302 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13391942033) by changing a digit.

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, 63227 + ... + 175446.

It is an arithmetic number, because the mean of its divisors is an integer number (781896024).

Almost surely, 213391942030 is an apocalyptic number.

13391942030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13391942030 is a deficient number, since it is larger than the sum of its proper divisors (11628730738).

13391942030 is a wasteful number, since it uses less digits than its factorization.

13391942030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238892.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 13391942030 in words is "thirteen billion, three hundred ninety-one million, nine hundred forty-two thousand, thirty".

Divisors: 1 2 5 10 31 62 155 181 310 362 905 1810 5611 11222 28055 56110 238673 477346 1193365 2386730 7398863 14797726 36994315 43199813 73988630 86399626 215999065 431998130 1339194203 2678388406 6695971015 13391942030