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13222204072 = 2371131692407
BaseRepresentation
bin11000101000001101…
…01101001010101000
31021010110220120010221
430110012231022220
5204034341012242
610024005415424
7645441610630
oct142406551250
937113816127
1013222204072
115675653690
12269010a574
1313294316bc
148d608b6c0
15525be5167
hex3141ad2a8

13222204072 has 64 divisors (see below), whose sum is σ = 31906160640. Its totient is φ = 4985323200.

The previous prime is 13222204049. The next prime is 13222204109. The reversal of 13222204072 is 27040222231.

It is a super-2 number, since 2×132222040722 (a number of 21 digits) contains 22 as substring.

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, 327108 + ... + 365299.

It is an arithmetic number, because the mean of its divisors is an integer number (498533760).

Almost surely, 213222204072 is an apocalyptic number.

It is an amenable number.

13222204072 is an abundant number, since it is smaller than the sum of its proper divisors (18683956568).

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

13222204072 is a wasteful number, since it uses less digits than its factorization.

13222204072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692462 (or 692458 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The spelling of 13222204072 in words is "thirteen billion, two hundred twenty-two million, two hundred four thousand, seventy-two".

Divisors: 1 2 4 7 8 11 14 22 28 31 44 56 62 77 88 124 154 217 248 308 341 434 616 682 868 1364 1736 2387 2728 4774 9548 19096 692407 1384814 2769628 4846849 5539256 7616477 9693698 15232954 19387396 21464617 30465908 38774792 42929234 53315339 60931816 85858468 106630678 150252319 171716936 213261356 236110787 300504638 426522712 472221574 601009276 944443148 1202018552 1652775509 1888886296 3305551018 6611102036 13222204072