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11309091311 = 73112151913
BaseRepresentation
bin10101000100001001…
…10000100111101111
31002012011001100210202
422202010300213233
5141130111410221
65110105024115
7550151455460
oct124204604757
932164040722
1011309091311
114883761761
12223748503b
1310b2c8950b
14793d6cd67
15462c96d0b
hex2a21309ef

11309091311 has 8 divisors (see below), whose sum is σ = 12925340064. Its totient is φ = 9693008640.

The previous prime is 11309091281. The next prime is 11309091337. The reversal of 11309091311 is 11319090311.

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

It is not a de Polignac number, because 11309091311 - 26 = 11309091247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11309091341) 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, 191891 + ... + 243803.

It is an arithmetic number, because the mean of its divisors is an integer number (1615667508).

Almost surely, 211309091311 is an apocalyptic number.

11309091311 is a deficient number, since it is larger than the sum of its proper divisors (1616248753).

11309091311 is an equidigital number, since it uses as much as digits as its factorization.

11309091311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83041.

The product of its (nonzero) digits is 729, while the sum is 29.

The spelling of 11309091311 in words is "eleven billion, three hundred nine million, ninety-one thousand, three hundred eleven".

Divisors: 1 7 31121 51913 217847 363391 1615584473 11309091311