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13800724836 = 2238912922027
BaseRepresentation
bin11001101101001011…
…00101100101100100
31022121210111110102220
430312211211211210
5211230441143321
610201233232340
7665665140243
oct146645454544
938553443386
1013800724836
115942170918
122811a026b0
1313bc249792
1494cc4295a
1555b8bd9c6
hex336965964

13800724836 has 24 divisors (see below), whose sum is σ = 32563510560. Its totient is φ = 4548553152.

The previous prime is 13800724823. The next prime is 13800724837. The reversal of 13800724836 is 63842700831.

13800724836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13800724837) 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 7 ways as a sum of consecutive naturals, for example, 6459946 + ... + 6462081.

It is an arithmetic number, because the mean of its divisors is an integer number (1356812940).

Almost surely, 213800724836 is an apocalyptic number.

It is an amenable number.

13800724836 is an abundant number, since it is smaller than the sum of its proper divisors (18762785724).

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

13800724836 is a wasteful number, since it uses less digits than its factorization.

13800724836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12922123 (or 12922121 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 13800724836 in words is "thirteen billion, eight hundred million, seven hundred twenty-four thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 12922027 25844054 38766081 51688108 77532162 155064324 1150060403 2300120806 3450181209 4600241612 6900362418 13800724836