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34212013440 = 2735111619887
BaseRepresentation
bin11111110111001100…
…011110010110000000
310021022021221100120220
4133313030132112000
51030031233412230
623414454103040
72320543213263
oct376714362600
9107267840526
1034212013440
1113566876080
12676964aa80
1332c2bb8c47
1419279cacda
15d537ccd10
hex7f731e580

34212013440 has 128 divisors (see below), whose sum is σ = 118964574720. Its totient is φ = 8293816320.

The previous prime is 34212013403. The next prime is 34212013441. The reversal of 34212013440 is 4431021243.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a self number, because there is not a number n which added to its sum of digits gives 34212013440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34212013441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788824 + ... + 831063.

It is an arithmetic number, because the mean of its divisors is an integer number (929410740).

Almost surely, 234212013440 is an apocalyptic number.

34212013440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34212013440 is an abundant number, since it is smaller than the sum of its proper divisors (84752561280).

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

34212013440 is a wasteful number, since it uses less digits than its factorization.

34212013440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619920 (or 1619908 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 34212013440 its reverse (4431021243), we get a palindrome (38643034683).

The spelling of 34212013440 in words is "thirty-four billion, two hundred twelve million, thirteen thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 128 132 160 165 176 192 220 240 264 320 330 352 384 440 480 528 640 660 704 880 960 1056 1320 1408 1760 1920 2112 2640 3520 4224 5280 7040 10560 21120 1619887 3239774 4859661 6479548 8099435 9719322 12959096 16198870 17818757 19438644 24298305 25918192 32397740 35637514 38877288 48596610 51836384 53456271 64795480 71275028 77754576 89093785 97193220 103672768 106912542 129590960 142550056 155509152 178187570 194386440 207345536 213825084 259181920 267281355 285100112 311018304 356375140 388772880 427650168 518363840 534562710 570200224 622036608 712750280 777545760 855300336 1036727680 1069125420 1140400448 1425500560 1555091520 1710600672 2138250840 2280800896 2851001120 3110183040 3421201344 4276501680 5702002240 6842402688 8553003360 11404004480 17106006720 34212013440