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11212411044 = 2231317132577
BaseRepresentation
bin10100111000100111…
…11101000010100100
31001221102010111102010
422130103331002210
5140430334123134
65052332514220
7544565631012
oct123423750244
931842114363
1011212411044
11483412840a
12220b01b970
131098c38a63
147851a38b2
1545954ace9
hex29c4fd0a4

11212411044 has 24 divisors (see below), whose sum is σ = 26362008288. Its totient is φ = 3708939520.

The previous prime is 11212411033. The next prime is 11212411051. The reversal of 11212411044 is 44011421211.

It is a super-2 number, since 2×112124110442 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11212411044.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3564717 + ... + 3567860.

It is an arithmetic number, because the mean of its divisors is an integer number (1098417012).

Almost surely, 211212411044 is an apocalyptic number.

It is an amenable number.

11212411044 is an abundant number, since it is smaller than the sum of its proper divisors (15149597244).

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

11212411044 is a wasteful number, since it uses less digits than its factorization.

11212411044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7132715 (or 7132713 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11212411044 its reverse (44011421211), we get a palindrome (55223832255).

The spelling of 11212411044 in words is "eleven billion, two hundred twelve million, four hundred eleven thousand, forty-four".

Divisors: 1 2 3 4 6 12 131 262 393 524 786 1572 7132577 14265154 21397731 28530308 42795462 85590924 934367587 1868735174 2803102761 3737470348 5606205522 11212411044