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11210311212 = 2231496269749
BaseRepresentation
bin10100111000010111…
…11100011000101100
31001221021011210222120
422130023330120230
5140424314424322
65052215512540
7544542034032
oct123413743054
931837153876
1011210311212
114832a23811
12220a388750
131098682059
14784bb8552
15459283a5c
hex29c2fc62c

11210311212 has 24 divisors (see below), whose sum is σ = 26332950000. Its totient is φ = 3711690816.

The previous prime is 11210311199. The next prime is 11210311279. The reversal of 11210311212 is 21211301211.

11210311212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11210311191 and 11210311200.

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 7 ways as a sum of consecutive naturals, for example, 3133087 + ... + 3136662.

It is an arithmetic number, because the mean of its divisors is an integer number (1097206250).

Almost surely, 211210311212 is an apocalyptic number.

11210311212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11210311212 is an abundant number, since it is smaller than the sum of its proper divisors (15122638788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11210311212 is a wasteful number, since it uses less digits than its factorization.

11210311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6269905 (or 6269903 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11210311212 its reverse (21211301211), we get a palindrome (32421612423).

The spelling of 11210311212 in words is "eleven billion, two hundred ten million, three hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 149 298 447 596 894 1788 6269749 12539498 18809247 25078996 37618494 75236988 934192601 1868385202 2802577803 3736770404 5605155606 11210311212