Search a number
-
+
620413616522 = 27319794611307
BaseRepresentation
bin10010000011100111000…
…10001000000110001010
32012022101200200012221102
421001303202020012022
540131101341212042
61153003012541402
762552266505000
oct11016342100612
92168350605842
10620413616522
1121a130348857
12a02a7321862
1346673c3343b
1422057476a70
151121208bb32
hex907388818a

620413616522 has 128 divisors (see below), whose sum is σ = 1160248320000. Its totient is φ = 247979309760.

The previous prime is 620413616509. The next prime is 620413616533. The reversal of 620413616522 is 225616314026.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 474684593 + ... + 474685899.

It is an arithmetic number, because the mean of its divisors is an integer number (9064440000).

Almost surely, 2620413616522 is an apocalyptic number.

620413616522 is a deficient number, since it is larger than the sum of its proper divisors (539834703478).

620413616522 is a wasteful number, since it uses less digits than its factorization.

620413616522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 620413616522 in words is "six hundred twenty billion, four hundred thirteen million, six hundred sixteen thousand, five hundred twenty-two".

Divisors: 1 2 7 14 19 38 49 79 98 133 158 266 343 461 553 686 922 931 1106 1307 1501 1862 2614 3002 3227 3871 6454 6517 7742 8759 9149 10507 13034 17518 18298 21014 22589 24833 27097 36419 45178 49666 54194 61313 64043 72838 73549 103253 122626 128086 147098 158123 173831 206506 254933 316246 347662 429191 448301 509866 514843 602527 691961 722771 858382 896602 1029686 1205054 1216817 1383922 1445542 1784531 1961807 2433634 3004337 3569062 3923614 4217689 4843727 5059397 6008674 8435378 8517719 9687454 10118794 11448013 12491717 13732649 17035438 22896026 24983434 27465298 29523823 33906089 35415779 47599633 59047646 67812178 70831558 80136091 95199266 96128543 160272182 192257086 206666761 237342623 333197431 413333522 474685246 560952637 666394862 672899801 904393027 1121905274 1345799602 1808786054 2332382017 3926668459 4664764034 6330751189 7853336918 12661502378 16326674119 32653348238 44315258323 88630516646 310206808261 620413616522