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913421323381 = 7844671544849
BaseRepresentation
bin11010100101011000010…
…01110100110001110101
310020022200220100221201111
431102230021310301311
5104431141324322011
61535341524555021
7122664301100140
oct15225411646165
93208626327644
10913421323381
1132241a584796
1212903ab52a71
136819b226c88
14322d1aa7057
1518b60955121
hexd4ac274c75

913421323381 has 8 divisors (see below), whose sum is σ = 1043923118400. Its totient is φ = 782922787008.

The previous prime is 913421323357. The next prime is 913421323391. The reversal of 913421323381 is 183323124319.

It is a happy number.

913421323381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 913421323381 - 213 = 913421315189 is a prime.

It is a super-3 number, since 3×9134213233813 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913421323391) 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, 181156 + ... + 1363693.

It is an arithmetic number, because the mean of its divisors is an integer number (130490389800).

Almost surely, 2913421323381 is an apocalyptic number.

It is an amenable number.

913421323381 is a deficient number, since it is larger than the sum of its proper divisors (130501795019).

913421323381 is a wasteful number, since it uses less digits than its factorization.

913421323381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629323.

The product of its digits is 93312, while the sum is 40.

The spelling of 913421323381 in words is "nine hundred thirteen billion, four hundred twenty-one million, three hundred twenty-three thousand, three hundred eighty-one".

Divisors: 1 7 84467 591269 1544849 10813943 130488760483 913421323381