Search a number
-
+
10091758431 = 327112412987
BaseRepresentation
bin10010110011000010…
…00000001101011111
3222001022102110000210
421121201000031133
5131131442232211
64345221223503
7505040350146
oct113141001537
928038373023
1010091758431
114309597527
121b57861b93
13c4aa068c1
146ba40a75d
153e0e859a6
hex25984035f

10091758431 has 8 divisors (see below), whose sum is σ = 13505330944. Its totient is φ = 6703012440.

The previous prime is 10091758423. The next prime is 10091758441. The reversal of 10091758431 is 13485719001.

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

It is not a de Polignac number, because 10091758431 - 23 = 10091758423 is a prime.

It is a super-4 number, since 4×100917584314 (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10091758431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10091758421) 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, 6205681 + ... + 6207306.

It is an arithmetic number, because the mean of its divisors is an integer number (1688166368).

Almost surely, 210091758431 is an apocalyptic number.

10091758431 is a deficient number, since it is larger than the sum of its proper divisors (3413572513).

10091758431 is a wasteful number, since it uses less digits than its factorization.

10091758431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12413261.

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 10091758431 in words is "ten billion, ninety-one million, seven hundred fifty-eight thousand, four hundred thirty-one".

Divisors: 1 3 271 813 12412987 37238961 3363919477 10091758431