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42574084969984 = 292320749174241
BaseRepresentation
bin10011010111000100011010…
…01101100001011000000000
312120202001011011220222202021
421223202031031201120000
521040013211223014414
6230314133054331224
711652606341220331
oct1153421515413000
9176661134828667
1042574084969984
1112624628074877
124937186ab9b14
131a9a9467c6239
14a7284d516288
154dc6b2899c24
hex26b88d361600

42574084969984 has 80 divisors (see below), whose sum is σ = 88768283868000. Its totient is φ = 20360420720640.

The previous prime is 42574084969963. The next prime is 42574084969991. The reversal of 42574084969984 is 48996948047524.

It is a super-2 number, since 2×425740849699842 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 244253104 + ... + 244427344.

It is an arithmetic number, because the mean of its divisors is an integer number (1109603548350).

Almost surely, 242574084969984 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 42574084969984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44384141934000).

42574084969984 is an abundant number, since it is smaller than the sum of its proper divisors (46194198898016).

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

42574084969984 is a wasteful number, since it uses less digits than its factorization.

42574084969984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195031 (or 195015 counting only the distinct ones).

The product of its (nonzero) digits is 5016453120, while the sum is 79.

The spelling of 42574084969984 in words is "forty-two trillion, five hundred seventy-four billion, eighty-four million, nine hundred sixty-nine thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 23 32 46 64 92 128 184 256 368 512 736 1472 2944 5888 11776 20749 41498 82996 165992 174241 331984 348482 477227 663968 696964 954454 1327936 1393928 1908908 2655872 2787856 3817816 4007543 5311744 5575712 7635632 8015086 10623488 11151424 15271264 16030172 22302848 30542528 32060344 44605696 61085056 64120688 89211392 122170112 128241376 244340224 256482752 512965504 1025931008 2051862016 3615326509 7230653018 14461306036 28922612072 57845224144 83152509707 115690448288 166305019414 231380896576 332610038828 462761793152 665220077656 925523586304 1330440155312 1851047172608 2660880310624 5321760621248 10643521242496 21287042484992 42574084969984