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6864689832048 = 2432293753721587
BaseRepresentation
bin110001111100100111101…
…1001100010000001110000
3220022020222001000020202100
41203321033121202001300
51344432341044111143
622333332303020400
71305646261546506
oct143711731420160
926266861006670
106864689832048
1122073314a2464
1292a50a89a700
133aa4505772a9
1419a37780a676
15bd8765b76d3
hex63e4f662070

6864689832048 has 120 divisors (see below), whose sum is σ = 19280616617808. Its totient is φ = 2280012097536.

The previous prime is 6864689831999. The next prime is 6864689832067. The reversal of 6864689832048 is 8402389864686.

It is a happy number.

6864689832048 is a `hidden beast` number, since 6 + 8 + 6 + 468 + 98 + 32 + 0 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317990311 + ... + 318011897.

Almost surely, 26864689832048 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 6864689832048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9640308308904).

6864689832048 is an abundant number, since it is smaller than the sum of its proper divisors (12415926785760).

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

6864689832048 is a wasteful number, since it uses less digits than its factorization.

6864689832048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29431 (or 29422 counting only the distinct ones).

The product of its (nonzero) digits is 764411904, while the sum is 72.

The spelling of 6864689832048 in words is "six trillion, eight hundred sixty-four billion, six hundred eighty-nine million, eight hundred thirty-two thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 293 586 879 1172 1758 2344 2637 3516 4688 5274 7032 7537 10548 14064 15074 21096 21587 22611 30148 42192 43174 45222 60296 64761 67833 86348 90444 120592 129522 135666 172696 180888 194283 259044 271332 345392 361776 388566 518088 542664 777132 1036176 1085328 1554264 2208341 3108528 4416682 6324991 6625023 8833364 12649982 13250046 17666728 18974973 19875069 25299964 26500092 35333456 37949946 39750138 50599928 53000184 56924919 75899892 79500276 101199856 106000368 113849838 151799784 159000552 162701219 227699676 303599568 318001104 325402438 455399352 488103657 650804876 910798704 976207314 1301609752 1464310971 1952414628 2603219504 2928621942 3904829256 5857243884 7809658512 11714487768 23428975536 47671457167 95342914334 143014371501 190685828668 286028743002 381371657336 429043114503 572057486004 762743314672 858086229006 1144114972008 1716172458012 2288229944016 3432344916024 6864689832048