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13222233320 = 2352911398477
BaseRepresentation
bin11000101000001101…
…10100010011101000
31021010110222001021012
430110012310103220
5204034342431240
610024010203052
7645442062122
oct142406642350
937113861235
1013222233320
11567567365a
122690123488
131329441aca
148d6098212
15525bedb65
hex3141b44e8

13222233320 has 32 divisors (see below), whose sum is σ = 30775890600. Its totient is φ = 5106517248.

The previous prime is 13222233317. The next prime is 13222233373. The reversal of 13222233320 is 2333222231.

It can be written as a sum of positive squares in 4 ways, for example, as 12683714884 + 538518436 = 112622^2 + 23206^2 .

It is a super-3 number, since 3×132222333203 (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5698079 + ... + 5700398.

Almost surely, 213222233320 is an apocalyptic number.

13222233320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13222233320 is an abundant number, since it is smaller than the sum of its proper divisors (17553657280).

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

13222233320 is a wasteful number, since it uses less digits than its factorization.

13222233320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11398517 (or 11398513 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 13222233320 its reverse (2333222231), we get a palindrome (15555455551).

The spelling of 13222233320 in words is "thirteen billion, two hundred twenty-two million, two hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 11398477 22796954 45593908 56992385 91187816 113984770 227969540 330555833 455939080 661111666 1322223332 1652779165 2644446664 3305558330 6611116660 13222233320