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6455038954368 = 27397491352951
BaseRepresentation
bin101110111101110111001…
…0011011100101110000000
3211212002120202121111102110
41131323232103130232000
51321224404433014433
621421223131015320
71234234611544044
oct135735623345600
924762522544373
106455038954368
1120696262308a4
1288304359a540
1337a927688354
141845d5a04024
15b2d9c7c4963
hex5deee4dcb80

6455038954368 has 128 divisors (see below), whose sum is σ = 17358292304640. Its totient is φ = 2125154304000.

The previous prime is 6455038954339. The next prime is 6455038954369. The reversal of 6455038954368 is 8634598305546.

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

It is a junction number, because it is equal to n+sod(n) for n = 6455038954299 and 6455038954308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6455038954369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18112293 + ... + 18465243.

It is an arithmetic number, because the mean of its divisors is an integer number (135611658630).

Almost surely, 26455038954368 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 6455038954368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8679146152320).

6455038954368 is an abundant number, since it is smaller than the sum of its proper divisors (10903253350272).

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

6455038954368 is a wasteful number, since it uses less digits than its factorization.

6455038954368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353556 (or 353544 counting only the distinct ones).

The product of its (nonzero) digits is 373248000, while the sum is 66.

The spelling of 6455038954368 in words is "six trillion, four hundred fifty-five billion, thirty-eight million, nine hundred fifty-four thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 97 128 192 194 291 384 388 491 582 776 982 1164 1473 1552 1964 2328 2946 3104 3928 4656 5892 6208 7856 9312 11784 12416 15712 18624 23568 31424 37248 47136 47627 62848 94272 95254 142881 188544 190508 285762 352951 381016 571524 705902 762032 1058853 1143048 1411804 1524064 2117706 2286096 2823608 3048128 4235412 4572192 5647216 6096256 8470824 9144384 11294432 16941648 18288768 22588864 33883296 34236247 45177728 67766592 68472494 102708741 135533184 136944988 173298941 205417482 273889976 346597882 410834964 519896823 547779952 693195764 821669928 1039793646 1095559904 1386391528 1643339856 2079587292 2191119808 2772783056 3286679712 4159174584 4382239616 5545566112 6573359424 8318349168 11091132224 13146718848 16636698336 16809997277 22182264448 33273396672 33619994554 50429991831 66546793344 67239989108 100859983662 134479978216 201719967324 268959956432 403439934648 537919912864 806879869296 1075839825728 1613759738592 2151679651456 3227519477184 6455038954368