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13393433790 = 232511191193367
BaseRepresentation
bin11000111100100111…
…11001010010111110
31021120102002221011100
430132103321102332
5204412204340130
610053003433530
7652621210632
oct143623712276
937512087140
1013393433790
115753276050
1227195258a6
131355a54669
14910b00dc2
15535c69c60
hex31e4f94be

13393433790 has 192 divisors, whose sum is σ = 38489997312. Its totient is φ = 3204403200.

The previous prime is 13393433777. The next prime is 13393433813. The reversal of 13393433790 is 9733439331.

It is a super-2 number, since 2×133934337902 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36494187 + ... + 36494553.

It is an arithmetic number, because the mean of its divisors is an integer number (200468736).

Almost surely, 213393433790 is an apocalyptic number.

13393433790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13393433790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19244998656).

13393433790 is an abundant number, since it is smaller than the sum of its proper divisors (25096563522).

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

13393433790 is a wasteful number, since it uses less digits than its factorization.

13393433790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 45.

The spelling of 13393433790 in words is "thirteen billion, three hundred ninety-three million, four hundred thirty-three thousand, seven hundred ninety".