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34212021444 = 223273971031303
BaseRepresentation
bin11111110111001100…
…100000010011000100
310021022021221202120100
4133313030200103010
51030031234141234
623414454204100
72320543245516
oct376714402304
9107267852510
1034212021444
1113566881097
126769653630
1332c2bbc793
1419279cdbb6
15d537d0399
hex7f73204c4

34212021444 has 144 divisors (see below), whose sum is σ = 89497338112. Its totient is φ = 11015294976.

The previous prime is 34212021413. The next prime is 34212021461. The reversal of 34212021444 is 44412021243.

34212021444 is a `hidden beast` number, since 3 + 4 + 212 + 0 + 2 + 1 + 444 = 666.

It is a super-2 number, since 2×342120214442 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26255697 + ... + 26256999.

Almost surely, 234212021444 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 34212021444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44748669056).

34212021444 is an abundant number, since it is smaller than the sum of its proper divisors (55285316668).

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

34212021444 is a wasteful number, since it uses less digits than its factorization.

34212021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 34212021444 its reverse (44412021243), we get a palindrome (78624042687).

The spelling of 34212021444 in words is "thirty-four billion, two hundred twelve million, twenty-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 73 97 103 146 194 206 219 291 292 309 388 412 438 582 618 657 873 876 927 1164 1236 1303 1314 1746 1854 2606 2628 3492 3708 3909 5212 7081 7519 7818 9991 11727 14162 15038 15636 19982 21243 22557 23454 28324 29973 30076 39964 42486 45114 46908 59946 63729 67671 84972 89919 90228 95119 119892 126391 127458 134209 135342 179838 190238 252782 254916 268418 270684 285357 359676 379173 380476 402627 505564 536836 570714 729343 758346 805254 856071 1137519 1141428 1207881 1458686 1516692 1610508 1712142 2188029 2275038 2415762 2917372 3424284 4376058 4550076 4831524 6564087 8752116 9226543 9797257 13018273 13128174 18453086 19594514 26036546 26256348 27679629 29391771 36906172 39054819 39189028 52073092 55359258 58783542 78109638 83038887 88175313 110718516 117164457 117567084 156219276 166077774 176350626 234328914 332155548 352701252 468657828 950333929 1900667858 2851001787 3801335716 5702003574 8553005361 11404007148 17106010722 34212021444