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13745722512 = 243934930631
BaseRepresentation
bin11001100110100111…
…10001010010010000
31022110222000001102210
430303103301102100
5211122401110022
610151550312120
7664426466514
oct146323612220
938428001383
1013745722512
115914113855
1227b74b8640
1313b0a2c522
14945806144
15556b56a0c
hex3334f1490

13745722512 has 40 divisors (see below), whose sum is σ = 35514740800. Its totient is φ = 4581267840.

The previous prime is 13745722511. The next prime is 13745722541. The reversal of 13745722512 is 21522754731.

It is a super-4 number, since 4×137457225124 (a number of 42 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (13745722511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433437 + ... + 464067.

It is an arithmetic number, because the mean of its divisors is an integer number (887868520).

Almost surely, 213745722512 is an apocalyptic number.

13745722512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13745722512 is an abundant number, since it is smaller than the sum of its proper divisors (21769018288).

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

13745722512 is a wasteful number, since it uses less digits than its factorization.

13745722512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39991 (or 39985 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The spelling of 13745722512 in words is "thirteen billion, seven hundred forty-five million, seven hundred twenty-two thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 9349 18698 28047 30631 37396 56094 61262 74792 91893 112188 122524 149584 183786 224376 245048 367572 448752 490096 735144 1470288 286369219 572738438 859107657 1145476876 1718215314 2290953752 3436430628 4581907504 6872861256 13745722512