Search a number
-
+
11251089785 = 5131319131231
BaseRepresentation
bin10100111101001111…
…00000000101111001
31002001002220120200002
422132213200011321
5141020234333120
65100233522345
7545545454015
oct123647400571
932032816602
1011251089785
114853a46311
12221bb733b5
1310a3c5c0a0
1478a391545
1545cb3b375
hex29e9e0179

11251089785 has 16 divisors (see below), whose sum is σ = 14551004160. Its totient is φ = 8302134720.

The previous prime is 11251089779. The next prime is 11251089803. The reversal of 11251089785 is 58798015211.

11251089785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11251089785 - 214 = 11251073401 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20120 + ... + 151350.

It is an arithmetic number, because the mean of its divisors is an integer number (909437760).

Almost surely, 211251089785 is an apocalyptic number.

It is an amenable number.

11251089785 is a deficient number, since it is larger than the sum of its proper divisors (3299914375).

11251089785 is a wasteful number, since it uses less digits than its factorization.

11251089785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132568.

The product of its (nonzero) digits is 201600, while the sum is 47.

The spelling of 11251089785 in words is "eleven billion, two hundred fifty-one million, eighty-nine thousand, seven hundred eighty-five".

Divisors: 1 5 13 65 1319 6595 17147 85735 131231 656155 1706003 8530015 173093689 865468445 2250217957 11251089785