Search a number
-
+
11222203132 = 2271779729581
BaseRepresentation
bin10100111001110010…
…10011101011111100
31001222002112222122001
422130321103223330
5140440341000012
65053322432044
7545045103250
oct123471235374
931862488561
1011222203132
114839706348
122212362624
13109ac86aaa
147865d2260
1545a332357
hex29ce53afc

11222203132 has 48 divisors (see below), whose sum is σ = 23795287488. Its totient is φ = 4520770560.

The previous prime is 11222203061. The next prime is 11222203189. The reversal of 11222203132 is 23130222211.

It is a congruent number.

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, 364582 + ... + 394162.

It is an arithmetic number, because the mean of its divisors is an integer number (495735156).

Almost surely, 211222203132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222203132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11897643744).

11222203132 is an abundant number, since it is smaller than the sum of its proper divisors (12573084356).

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

11222203132 is a wasteful number, since it uses less digits than its factorization.

11222203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30406 (or 30404 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11222203132 its reverse (23130222211), we get a palindrome (34352425343).

The spelling of 11222203132 in words is "eleven billion, two hundred twenty-two million, two hundred three thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 797 1594 3188 5579 11158 13549 22316 27098 29581 54196 59162 94843 118324 189686 207067 379372 414134 502877 828268 1005754 2011508 3520139 7040278 14080556 23576057 47152114 94304228 165032399 330064798 400792969 660129596 801585938 1603171876 2805550783 5611101566 11222203132