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22023011000 = 235372730293
BaseRepresentation
bin10100100000101011…
…000111101010111000
32002211211011212122002
4110200223013222320
5330100342323000
614041153320132
71406515335104
oct244053075270
962754155562
1022023011000
119381463141
124327566048
1320cc84aa73
1410ccc50904
1588d6768d5
hex520ac7ab8

22023011000 has 64 divisors (see below), whose sum is σ = 51606434880. Its totient is φ = 8796796800.

The previous prime is 22023010993. The next prime is 22023011033. The reversal of 22023011000 is 11032022.

It is a happy number.

It is a super-2 number, since 2×220230110002 (a number of 21 digits) contains 22 as substring.

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, 711854 + ... + 742146.

It is an arithmetic number, because the mean of its divisors is an integer number (806350545).

Almost surely, 222023011000 is an apocalyptic number.

22023011000 is a gapful number since it is divisible by the number (20) 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 22023011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25803217440).

22023011000 is an abundant number, since it is smaller than the sum of its proper divisors (29583423880).

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

22023011000 is a wasteful number, since it uses less digits than its factorization.

22023011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31041 (or 31027 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 22023011000 its reverse (11032022), we get a palindrome (22034043022).

The spelling of 22023011000 in words is "twenty-two billion, twenty-three million, eleven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 727 1000 1454 2908 3635 5816 7270 14540 18175 29080 30293 36350 60586 72700 90875 121172 145400 151465 181750 242344 302930 363500 605860 727000 757325 1211720 1514650 3029300 3786625 6058600 7573250 15146500 22023011 30293000 44046022 88092044 110115055 176184088 220230110 440460220 550575275 880920440 1101150550 2202301100 2752876375 4404602200 5505752750 11011505500 22023011000