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22321151120 = 245419770157
BaseRepresentation
bin10100110010011100…
…011011110010010000
32010121121011221222202
4110302130123302100
5331203203313440
614130523422332
71420065440222
oct246234336220
963547157882
1022321151120
119514787234
1243ab3849a8
132149547138
14111a69c412
158a9919615
hex53271bc90

22321151120 has 80 divisors (see below), whose sum is σ = 53711281008. Its totient is φ = 8620769280.

The previous prime is 22321151101. The next prime is 22321151131. The reversal of 22321151120 is 2115112322.

It can be written as a sum of positive squares in 8 ways, for example, as 6492491776 + 15828659344 = 80576^2 + 125812^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×223211511203 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22321151092 and 22321151101.

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, 283082 + ... + 353238.

Almost surely, 222321151120 is an apocalyptic number.

22321151120 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 22321151120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26855640504).

22321151120 is an abundant number, since it is smaller than the sum of its proper divisors (31390129888).

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

22321151120 is a wasteful number, since it uses less digits than its factorization.

22321151120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70308 (or 70302 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 22321151120 its reverse (2115112322), we get a palindrome (24436263442).

The spelling of 22321151120 in words is "twenty-two billion, three hundred twenty-one million, one hundred fifty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 41 80 82 97 164 194 205 328 388 410 485 656 776 820 970 1552 1640 1940 3280 3880 3977 7760 7954 15908 19885 31816 39770 63632 70157 79540 140314 159080 280628 318160 350785 561256 701570 1122512 1403140 2806280 2876437 5612560 5752874 6805229 11505748 13610458 14382185 23011496 27220916 28764370 34026145 46022992 54441832 57528740 68052290 108883664 115057480 136104580 230114960 272209160 279014389 544418320 558028778 1116057556 1395071945 2232115112 2790143890 4464230224 5580287780 11160575560 22321151120