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2111020323 = 322716931831
BaseRepresentation
bin111110111010011…
…1001110100100011
312110010020221110220
41331310321310203
513310410122243
6545250254123
7103212243126
oct17564716443
95403227426
102111020323
119936858a5
124aab87343
13278478c69
141605183bd
15c54e2783
hex7dd39d23

2111020323 has 16 divisors (see below), whose sum is σ = 2830308096. Its totient is φ = 1399554720.

The previous prime is 2111020277. The next prime is 2111020337. The reversal of 2111020323 is 3230201112.

It is not a de Polignac number, because 2111020323 - 213 = 2111012131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111020343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1152018 + ... + 1153848.

It is an arithmetic number, because the mean of its divisors is an integer number (176894256).

Almost surely, 22111020323 is an apocalyptic number.

2111020323 is a deficient number, since it is larger than the sum of its proper divisors (719287773).

2111020323 is a wasteful number, since it uses less digits than its factorization.

2111020323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3754.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2111020323 is about 45945.8411937359. The cubic root of 2111020323 is about 1282.8153207858.

Adding to 2111020323 its reverse (3230201112), we get a palindrome (5341221435).

The spelling of 2111020323 in words is "two billion, one hundred eleven million, twenty thousand, three hundred twenty-three".

Divisors: 1 3 227 681 1693 1831 5079 5493 384311 415637 1152933 1246911 3099883 9299649 703673441 2111020323