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13388076040 = 2354116748883
BaseRepresentation
bin11000111011111110…
…11101010000001000
31021120001000201201011
430131333131100020
5204404321413130
610052252533304
7652524524443
oct143577352010
937501021634
1013388076040
115750246759
122717781234
1313548c9ab1
1491010865a
1553555c52a
hex31dfdd408

13388076040 has 64 divisors (see below), whose sum is σ = 31043295360. Its totient is φ = 5193223680.

The previous prime is 13388076029. The next prime is 13388076047. The reversal of 13388076040 is 4067088331.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 13388075984 and 13388076002.

It is not an unprimeable number, because it can be changed into a prime (13388076047) 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, 249439 + ... + 298321.

It is an arithmetic number, because the mean of its divisors is an integer number (485051490).

Almost surely, 213388076040 is an apocalyptic number.

13388076040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13388076040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15521647680).

13388076040 is an abundant number, since it is smaller than the sum of its proper divisors (17655219320).

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

13388076040 is a wasteful number, since it uses less digits than its factorization.

13388076040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49102 (or 49098 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 13388076040 in words is "thirteen billion, three hundred eighty-eight million, seventy-six thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 41 82 164 167 205 328 334 410 668 820 835 1336 1640 1670 3340 6680 6847 13694 27388 34235 48883 54776 68470 97766 136940 195532 244415 273880 391064 488830 977660 1955320 2004203 4008406 8016812 8163461 10021015 16033624 16326922 20042030 32653844 40084060 40817305 65307688 80168120 81634610 163269220 326538440 334701901 669403802 1338807604 1673509505 2677615208 3347019010 6694038020 13388076040