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105066105660 = 223251123519769
BaseRepresentation
bin110000111011001101…
…1011000101100111100
3101001012020102011201200
41201312123120230330
53210133410340120
6120133335135500
710406431106565
oct1416633305474
9331166364650
10105066105660
114061609428a
1218442514590
139ba52753b9
145129c0d16c
152aedd9ce90
hex18766d8b3c

105066105660 has 72 divisors (see below), whose sum is σ = 318984928080. Its totient is φ = 27992625408.

The previous prime is 105066105653. The next prime is 105066105721. The reversal of 105066105660 is 66501660501.

It is a super-2 number, since 2×1050661056602 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 57745 + ... + 462024.

Almost surely, 2105066105660 is an apocalyptic number.

105066105660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105066105660 is an abundant number, since it is smaller than the sum of its proper divisors (213918822420).

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

105066105660 is a wasteful number, since it uses less digits than its factorization.

105066105660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520907 (or 520902 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 105066105660 in words is "one hundred five billion, sixty-six million, one hundred five thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1123 2246 3369 4492 5615 6738 10107 11230 13476 16845 20214 22460 33690 40428 50535 67380 101070 202140 519769 1039538 1559307 2079076 2598845 3118614 4677921 5197690 6237228 7796535 9355842 10395380 15593070 18711684 23389605 31186140 46779210 93558420 583700587 1167401174 1751101761 2334802348 2918502935 3502203522 5253305283 5837005870 7004407044 8755508805 10506610566 11674011740 17511017610 21013221132 26266526415 35022035220 52533052830 105066105660