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12936034240 = 26540425107
BaseRepresentation
bin11000000110000110…
…00011011111000000
31020101112102121221021
430003003003133000
5202443111043430
65535344035224
7635365322353
oct140303033700
936345377837
1012936034240
115539065a98
122610302b14
1312b206693c
148aa07829a
1550aa1907a
hex3030c37c0

12936034240 has 28 divisors (see below), whose sum is σ = 30803932296. Its totient is φ = 5174413568.

The previous prime is 12936034207. The next prime is 12936034249. The reversal of 12936034240 is 4243063921.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12936034196 and 12936034205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12936034249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20212234 + ... + 20212873.

Almost surely, 212936034240 is an apocalyptic number.

12936034240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12936034240 is an abundant number, since it is smaller than the sum of its proper divisors (17867898056).

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

12936034240 is an equidigital number, since it uses as much as digits as its factorization.

12936034240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40425124 (or 40425114 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 12936034240 in words is "twelve billion, nine hundred thirty-six million, thirty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 40425107 80850214 161700428 202125535 323400856 404251070 646801712 808502140 1293603424 1617004280 2587206848 3234008560 6468017120 12936034240