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11213312219 = 312791271163
BaseRepresentation
bin10100111000101110…
…11001000011011011
31001221110211021120222
422130113121003123
5140431101442334
65052404110255
7544606403234
oct123427310333
931843737528
1011213312219
11483469348a
12220b39538b
131099192cb5
1478535a08b
15459677d2e
hex29c5d90db

11213312219 has 24 divisors (see below), whose sum is σ = 11835924480. Its totient is φ = 10620726480.

The previous prime is 11213312207. The next prime is 11213312249. The reversal of 11213312219 is 91221331211.

It is not a de Polignac number, because 11213312219 - 216 = 11213246683 is a prime.

It is a super-2 number, since 2×112133122192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213312249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9641132 + ... + 9642294.

It is an arithmetic number, because the mean of its divisors is an integer number (493163520).

Almost surely, 211213312219 is an apocalyptic number.

11213312219 is a deficient number, since it is larger than the sum of its proper divisors (622612261).

11213312219 is a wasteful number, since it uses less digits than its factorization.

11213312219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431 (or 1400 counting only the distinct ones).

The product of its digits is 648, while the sum is 26.

The spelling of 11213312219 in words is "eleven billion, two hundred thirteen million, three hundred twelve thousand, two hundred nineteen".

Divisors: 1 31 79 127 961 1163 2449 3937 10033 36053 75919 91877 122047 147701 311023 1117643 2848187 4578731 9641713 11668379 88293797 141940661 361719749 11213312219