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13540044491754 = 2311238919660403
BaseRepresentation
bin1100010100001000100110…
…0010101100101111101010
31202221102012222111012020020
43011002021202230233222
53233320002342214004
644444113252141310
72565143632135314
oct305021142545752
952842188435206
1013540044491754
114350334144580
121628199607836
13772a89165911
1434b4ad6b87b4
1518731ab3e8d9
hexc50898acbea

13540044491754 has 32 divisors (see below), whose sum is σ = 30826346356224. Its totient is φ = 3924650576880.

The previous prime is 13540044491741. The next prime is 13540044491759. The reversal of 13540044491754 is 45719444004531.

It is a junction number, because it is equal to n+sod(n) for n = 13540044491697 and 13540044491706.

It is not an unprimeable number, because it can be changed into a prime (13540044491759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4459828684 + ... + 4459831719.

It is an arithmetic number, because the mean of its divisors is an integer number (963323323632).

Almost surely, 213540044491754 is an apocalyptic number.

13540044491754 is an abundant number, since it is smaller than the sum of its proper divisors (17286301864470).

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

13540044491754 is a wasteful number, since it uses less digits than its factorization.

13540044491754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8919660442.

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 13540044491754 in words is "thirteen trillion, five hundred forty billion, forty-four million, four hundred ninety-one thousand, seven hundred fifty-four".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 253 506 759 1518 8919660403 17839320806 26758981209 53517962418 98116264433 196232528866 205152189269 294348793299 410304378538 588697586598 615456567807 1230913135614 2256674081959 4513348163918 6770022245877 13540044491754