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105681908678080 = 2657291626876673
BaseRepresentation
bin11000000001110111111100…
…101000000011110111000000
3111212012002110220220200021211
4120001313330220003313000
5102322443022110144310
61012433333144455504
731155160134056230
oct3001677450036700
9455162426820254
10105681908678080
113074549a366409
12ba29a4147a594
1346c79b8551017
141c15062c9dcc0
15c34067ba1c8a
hex601dfca03dc0

105681908678080 has 112 divisors (see below), whose sum is σ = 297523206141120. Its totient is φ = 34984355954688.

The previous prime is 105681908678057. The next prime is 105681908678131. The reversal of 105681908678080 is 80876809186501.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1056819086780802 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105681908677997 and 105681908678015.

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, 813373377 + ... + 813503296.

Almost surely, 2105681908678080 is an apocalyptic number.

105681908678080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105681908678080 is an abundant number, since it is smaller than the sum of its proper divisors (191841297463040).

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

105681908678080 is a wasteful number, since it uses less digits than its factorization.

105681908678080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626876726 (or 1626876716 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 67.

The spelling of 105681908678080 in words is "one hundred five trillion, six hundred eighty-one billion, nine hundred eight million, six hundred seventy-eight thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 29 32 35 40 56 58 64 70 80 112 116 140 145 160 203 224 232 280 290 320 406 448 464 560 580 812 928 1015 1120 1160 1624 1856 2030 2240 2320 3248 4060 4640 6496 8120 9280 12992 16240 32480 64960 1626876673 3253753346 6507506692 8134383365 11388136711 13015013384 16268766730 22776273422 26030026768 32537533460 45552546844 47179423517 52060053536 56940683555 65075066920 91105093688 94358847034 104120107072 113881367110 130150133840 182210187376 188717694068 227762734220 235897117585 260300267680 330255964619 364420374752 377435388136 455525468440 471794235170 520600535360 660511929238 728840749504 754870776272 911050936880 943588470340 1321023858476 1509741552544 1651279823095 1822101873760 1887176940680 2642047716952 3019483105088 3302559646190 3644203747520 3774353881360 5284095433904 6605119292380 7548707762720 10568190867808 13210238584760 15097415525440 21136381735616 26420477169520 52840954339040 105681908678080