Base | Representation |
---|---|
bin | 11011111011101000001100… |
… | …10100110100010111001111 |
3 | 22001110221000222211011102022 |
4 | 31331310012110310113033 |
5 | 31022321120423431001 |
6 | 334345024255120355 |
7 | 15636424105502504 |
oct | 1575640624642717 |
9 | 261427028734368 |
10 | 61422433420751 |
11 | 18631120428447 |
12 | 6a800b48130bb |
13 | 283715904a910 |
14 | 1124c0c4a74ab |
15 | 717b1240711b |
hex | 37dd065345cf |
61422433420751 has 16 divisors (see below), whose sum is σ = 66196281054624. Its totient is φ = 56655596409984.
The previous prime is 61422433420727. The next prime is 61422433420771. The reversal of 61422433420751 is 15702433422416.
It is a happy number.
It is not a de Polignac number, because 61422433420751 - 218 = 61422433158607 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61422433420721) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405414425 + ... + 405565901.
It is an arithmetic number, because the mean of its divisors is an integer number (4137267565914).
Almost surely, 261422433420751 is an apocalyptic number.
61422433420751 is a deficient number, since it is larger than the sum of its proper divisors (4773847633873).
61422433420751 is a wasteful number, since it uses less digits than its factorization.
61422433420751 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174410.
The product of its (nonzero) digits is 967680, while the sum is 44.
The spelling of 61422433420751 in words is "sixty-one trillion, four hundred twenty-two billion, four hundred thirty-three million, four hundred twenty thousand, seven hundred fifty-one".
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