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6421042612160 = 265112141852013
BaseRepresentation
bin101110101110000001111…
…1101101100011111000000
3211201211211111111101010222
41131130003331230133000
51320200243402042120
621353441455242212
71231622264444531
oct135340375543700
924654744441128
106421042612160
112056170181810
12878536219368
1337766a382727
14182acc918688
15b205cde9525
hex5d703f6c7c0

6421042612160 has 112 divisors (see below), whose sum is σ = 16687927906272. Its totient is φ = 2333831270400.

The previous prime is 6421042612109. The next prime is 6421042612163. The reversal of 6421042612160 is 612162401246.

It is a self number, because there is not a number n which added to its sum of digits gives 6421042612160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6421042612163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7110314 + ... + 7962326.

It is an arithmetic number, because the mean of its divisors is an integer number (148999356306).

Almost surely, 26421042612160 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 6421042612160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8343963953136).

6421042612160 is an abundant number, since it is smaller than the sum of its proper divisors (10266885294112).

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

6421042612160 is a wasteful number, since it uses less digits than its factorization.

6421042612160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854182 (or 854172 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 6421042612160 in words is "six trillion, four hundred twenty-one billion, forty-two million, six hundred twelve thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 160 176 220 320 352 440 704 880 1760 2141 3520 4282 8564 10705 17128 21410 23551 34256 42820 47102 68512 85640 94204 117755 137024 171280 188408 235510 342560 376816 471020 685120 753632 852013 942040 1507264 1704026 1884080 3408052 3768160 4260065 6816104 7536320 8520130 9372143 13632208 17040260 18744286 27264416 34080520 37488572 46860715 54528832 68161040 74977144 93721430 136322080 149954288 187442860 272644160 299908576 374885720 599817152 749771440 1499542880 1824159833 2999085760 3648319666 7296639332 9120799165 14593278664 18241598330 20065758163 29186557328 36483196660 40131516326 58373114656 72966393320 80263032652 100328790815 116746229312 145932786640 160526065304 200657581630 291865573280 321052130608 401315163260 583731146560 642104261216 802630326520 1284208522432 1605260653040 3210521306080 6421042612160