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34288942848 = 28357178191
BaseRepresentation
bin11111111011110001…
…111011111100000000
310021111122200202220020
4133323301323330000
51030210432132343
623430243013440
72322466130256
oct377361737400
9107448622806
1034288942848
11135a623a2a6
12678b36a280
133305b127c4
141933cd45d6
15d5a426b83
hex7fbc7bf00

34288942848 has 72 divisors (see below), whose sum is σ = 91419584256. Its totient is φ = 11409484800.

The previous prime is 34288942843. The next prime is 34288942867. The reversal of 34288942848 is 84824988243.

It is a super-2 number, since 2×342889428482 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34288942791 and 34288942800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34288942843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399433 + ... + 477623.

It is an arithmetic number, because the mean of its divisors is an integer number (1269716448).

Almost surely, 234288942848 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 34288942848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45709792128).

34288942848 is an abundant number, since it is smaller than the sum of its proper divisors (57130641408).

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

34288942848 is an equidigital number, since it uses as much as digits as its factorization.

34288942848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78781 (or 78767 counting only the distinct ones).

The product of its digits is 28311552, while the sum is 60.

The spelling of 34288942848 in words is "thirty-four billion, two hundred eighty-eight million, nine hundred forty-two thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 571 768 1142 1713 2284 3426 4568 6852 9136 13704 18272 27408 36544 54816 73088 78191 109632 146176 156382 219264 234573 312764 438528 469146 625528 938292 1251056 1876584 2502112 3753168 5004224 7506336 10008448 15012672 20016896 30025344 44647061 60050688 89294122 133941183 178588244 267882366 357176488 535764732 714352976 1071529464 1428705952 2143058928 2857411904 4286117856 5714823808 8572235712 11429647616 17144471424 34288942848