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22110031332 = 22327116353069
BaseRepresentation
bin10100100101110111…
…000100110111100100
32010001212220222002100
4110211313010313210
5330240132000312
614053542412100
71411623110514
oct244567046744
963055828070
1022110031332
119416599874
124350731030
13211489869c
1410da623844
158961155dc
hex525dc4de4

22110031332 has 72 divisors (see below), whose sum is σ = 57025200960. Its totient is φ = 7221493440.

The previous prime is 22110031331. The next prime is 22110031351. The reversal of 22110031332 is 23313001122.

22110031332 is a `hidden beast` number, since 221 + 100 + 313 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22110031331) 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, 390094 + ... + 443162.

It is an arithmetic number, because the mean of its divisors is an integer number (792016680).

Almost surely, 222110031332 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 22110031332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28512600480).

22110031332 is an abundant number, since it is smaller than the sum of its proper divisors (34915169628).

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

22110031332 is a wasteful number, since it uses less digits than its factorization.

22110031332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53313 (or 53308 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22110031332 its reverse (23313001122), we get a palindrome (45423032454).

The spelling of 22110031332 in words is "twenty-two billion, one hundred ten million, thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 71 142 163 213 284 326 426 489 639 652 852 978 1278 1467 1956 2556 2934 5868 11573 23146 34719 46292 53069 69438 104157 106138 138876 159207 208314 212276 318414 416628 477621 636828 955242 1910484 3767899 7535798 8650247 11303697 15071596 17300494 22607394 25950741 33911091 34600988 45214788 51901482 67822182 77852223 103802964 135644364 155704446 311408892 614167537 1228335074 1842502611 2456670148 3685005222 5527507833 7370010444 11055015666 22110031332