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213132322032 = 24374775117971
BaseRepresentation
bin1100011001111110101…
…1010010010011110000
3202101010120001202122220
43012133223102103300
511442443333301112
6241524525201040
721253421563110
oct3063753222360
9671116052586
10213132322032
1182430704103
1235381700180
1317137c40526
14a45c253040
15582631298c
hex319fad24f0

213132322032 has 160 divisors (see below), whose sum is σ = 643527573504. Its totient is φ = 59516640000.

The previous prime is 213132322019. The next prime is 213132322033. The reversal of 213132322032 is 230223231312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 213132321993 and 213132322011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213132322033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11850807 + ... + 11868777.

Almost surely, 2213132322032 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 213132322032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321763786752).

213132322032 is an abundant number, since it is smaller than the sum of its proper divisors (430395251472).

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

213132322032 is a wasteful number, since it uses less digits than its factorization.

213132322032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18787 (or 18781 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213132322032 its reverse (230223231312), we get a palindrome (443355553344).

The spelling of 213132322032 in words is "two hundred thirteen billion, one hundred thirty-two million, three hundred twenty-two thousand, thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 47 48 56 84 94 112 141 168 188 282 329 336 376 564 658 751 752 987 1128 1316 1502 1974 2253 2256 2632 3004 3948 4506 5257 5264 6008 7896 9012 10514 12016 15771 15792 17971 18024 21028 31542 35297 35942 36048 42056 53913 63084 70594 71884 84112 105891 107826 125797 126168 141188 143768 211782 215652 247079 251594 252336 282376 287536 377391 423564 431304 494158 503188 564752 741237 754782 844637 847128 862608 988316 1006376 1482474 1509564 1689274 1694256 1976632 2012752 2533911 2964948 3019128 3378548 3953264 5067822 5912459 5929896 6038256 6757096 10135644 11824918 11859792 13496221 13514192 17737377 20271288 23649836 26992442 35474754 40488663 40542576 47299672 53984884 70949508 80977326 94473547 94599344 107969768 141899016 161954652 188947094 215939536 283420641 283798032 323909304 377894188 566841282 634322387 647818608 755788376 1133682564 1268644774 1511576752 1902967161 2267365128 2537289548 3805934322 4440256709 4534730256 5074579096 7611868644 8880513418 10149158192 13320770127 15223737288 17761026836 26641540254 30447474576 35522053672 53283080508 71044107344 106566161016 213132322032