Base | Representation |
---|---|
bin | 1101100010011100001000… |
… | …00100101010010000000000 |
3 | 10220102001012200100221220000 |
4 | 12301032010010222100000 |
5 | 12400230224320031340 |
6 | 143152235052520000 |
7 | 6161600031644022 |
oct | 661160404522000 |
9 | 126361180327800 |
10 | 29770634142720 |
11 | 9538722944719 |
12 | 34098b9180000 |
13 | 137c488249383 |
14 | 74cc99174012 |
15 | 36960873ed30 |
hex | 1b138412a400 |
29770634142720 has 220 divisors, whose sum is σ = 106681122130044. Its totient is φ = 7938835660800.
The previous prime is 29770634142677. The next prime is 29770634142779. The reversal of 29770634142720 is 2724143607792.
29770634142720 is a `hidden beast` number, since 2 + 97 + 70 + 6 + 3 + 41 + 427 + 20 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 7200077423616 + 22570556719104 = 2683296^2 + 4750848^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35477731 + ... + 36307170.
Almost surely, 229770634142720 is an apocalyptic number.
29770634142720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29770634142720 is an abundant number, since it is smaller than the sum of its proper divisors (76910487987324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29770634142720 is an equidigital number, since it uses as much as digits as its factorization.
29770634142720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71784938 (or 71784911 counting only the distinct ones).
The product of its (nonzero) digits is 7112448, while the sum is 54.
The spelling of 29770634142720 in words is "twenty-nine trillion, seven hundred seventy billion, six hundred thirty-four million, one hundred forty-two thousand, seven hundred twenty".
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