Base | Representation |
---|---|
bin | 11011111101100011011100… |
… | …11011101110111011110111 |
3 | 22001201020211120112000011220 |
4 | 31332301232123232323313 |
5 | 31024412130232322211 |
6 | 334435250332401423 |
7 | 15644255641145130 |
oct | 1576615633567367 |
9 | 261636746460156 |
10 | 61488604573431 |
11 | 18657197305892 |
12 | 6a90aa1316273 |
13 | 284047316a729 |
14 | 11280c879cc87 |
15 | 7196d67ee806 |
hex | 37ec6e6eeef7 |
61488604573431 has 8 divisors (see below), whose sum is σ = 93696921254784. Its totient is φ = 35136345470520.
The previous prime is 61488604573367. The next prime is 61488604573439. The reversal of 61488604573431 is 13437540688416.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 61488604573431 - 26 = 61488604573367 is a prime.
It is a super-2 number, since 2×614886045734312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61488604573439) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1464014394585 + ... + 1464014394626.
It is an arithmetic number, because the mean of its divisors is an integer number (11712115156848).
Almost surely, 261488604573431 is an apocalyptic number.
61488604573431 is a deficient number, since it is larger than the sum of its proper divisors (32208316681353).
61488604573431 is a wasteful number, since it uses less digits than its factorization.
61488604573431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2928028789221.
The product of its (nonzero) digits is 46448640, while the sum is 60.
The spelling of 61488604573431 in words is "sixty-one trillion, four hundred eighty-eight billion, six hundred four million, five hundred seventy-three thousand, four hundred thirty-one".
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