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20048945668992 = 27339759806181
BaseRepresentation
bin1001000111100000000100…
…10010001110001110000000
32121222122211111101010001000
410203300002102032032000
510111440220042401432
6110350205233412000
74136326364240202
oct443600222161600
977878744333030
1020048945668992
11642a78a178649
1222b975340a000
13b257b87a2a56
144d453493a772
1524b7bbdb657c
hex123c0248e380

20048945668992 has 128 divisors (see below), whose sum is σ = 59782259527200. Its totient is φ = 6614085058560.

The previous prime is 20048945668949. The next prime is 20048945669021. The reversal of 20048945668992 is 29986654984002.

20048945668992 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 8 + 9 + 456 + 6 + 89 + 92 = 666.

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 20048945668992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29567859 + ... + 30238322.

Almost surely, 220048945668992 is an apocalyptic number.

It is an amenable number.

20048945668992 is an abundant number, since it is smaller than the sum of its proper divisors (39733313858208).

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

20048945668992 is an equidigital number, since it uses as much as digits as its factorization.

20048945668992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59806301 (or 59806283 counting only the distinct ones).

The product of its (nonzero) digits is 537477120, while the sum is 72.

The spelling of 20048945668992 in words is "twenty trillion, forty-eight billion, nine hundred forty-five million, six hundred sixty-eight thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 97 108 128 144 192 194 216 288 291 384 388 432 576 582 776 864 873 1152 1164 1552 1728 1746 2328 2619 3104 3456 3492 4656 5238 6208 6984 9312 10476 12416 13968 18624 20952 27936 37248 41904 55872 83808 111744 167616 335232 59806181 119612362 179418543 239224724 358837086 478449448 538255629 717674172 956898896 1076511258 1435348344 1614766887 1913797792 2153022516 2870696688 3229533774 3827595584 4306045032 5741393376 5801199557 6459067548 7655191168 8612090064 11482786752 11602399114 12918135096 17224180128 17403598671 22965573504 23204798228 25836270192 34448360256 34807197342 46409596456 51672540384 52210796013 68896720512 69614394684 92819192912 103345080768 104421592026 139228789368 156632388039 185638385824 206690161536 208843184052 278457578736 313264776078 371276771648 417686368104 556915157472 626529552156 742553543296 835372736208 1113830314944 1253059104312 1670745472416 2227660629888 2506118208624 3341490944832 5012236417248 6682981889664 10024472834496 20048945668992