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11222011240 = 2351134973079
BaseRepresentation
bin10100111001110001…
…00100110101101000
31001222002012020101221
422130320210311220
5140440313324430
65053314351424
7545043343636
oct123470446550
931862166357
1011222011240
114839595160
12221228b574
13109ac1a64b
14786582356
1545a2e557a
hex29ce24d68

11222011240 has 64 divisors (see below), whose sum is σ = 27624240000. Its totient is φ = 4068983040.

The previous prime is 11222011201. The next prime is 11222011277. The reversal of 11222011240 is 4211022211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117021 + ... + 190099.

It is an arithmetic number, because the mean of its divisors is an integer number (431628750).

Almost surely, 211222011240 is an apocalyptic number.

11222011240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222011240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13812120000).

11222011240 is an abundant number, since it is smaller than the sum of its proper divisors (16402228760).

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

11222011240 is a wasteful number, since it uses less digits than its factorization.

11222011240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73450 (or 73446 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11222011240 its reverse (4211022211), we get a palindrome (15433033451).

The spelling of 11222011240 in words is "eleven billion, two hundred twenty-two million, eleven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 349 440 698 1396 1745 2792 3490 3839 6980 7678 13960 15356 19195 30712 38390 73079 76780 146158 153560 292316 365395 584632 730790 803869 1461580 1607738 2923160 3215476 4019345 6430952 8038690 16077380 25504571 32154760 51009142 102018284 127522855 204036568 255045710 280550281 510091420 561100562 1020182840 1122201124 1402751405 2244402248 2805502810 5611005620 11222011240