Base | Representation |
---|---|
bin | 111001011101101010… |
… | …110000001000100000 |
3 | 12220021001101002211100 |
4 | 321131222300020200 |
5 | 2002330430433212 |
6 | 44202311114400 |
7 | 4313003051046 |
oct | 713552601040 |
9 | 186231332740 |
10 | 61701030432 |
11 | 24192694438 |
12 | bb5b672a00 |
13 | 5a83ca7782 |
14 | 2db4766396 |
15 | 1911c5bbdc |
hex | e5dab0220 |
61701030432 has 72 divisors (see below), whose sum is σ = 175550949756. Its totient is φ = 20556619776.
The previous prime is 61701030343. The next prime is 61701030437. The reversal of 61701030432 is 23403010716.
61701030432 is a `hidden beast` number, since 61 + 70 + 103 + 0 + 432 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 61684676496 + 16353936 = 248364^2 + 4044^2 .
It is a tau number, because it is divible by the number of its divisors (72).
It is a junction number, because it is equal to n+sod(n) for n = 61701030396 and 61701030405.
It is not an unprimeable number, because it can be changed into a prime (61701030437) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 527788 + ... + 634004.
Almost surely, 261701030432 is an apocalyptic number.
It is an amenable number.
61701030432 is an abundant number, since it is smaller than the sum of its proper divisors (113849919324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61701030432 is a wasteful number, since it uses less digits than its factorization.
61701030432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108250 (or 108239 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The spelling of 61701030432 in words is "sixty-one billion, seven hundred one million, thirty thousand, four hundred thirty-two".
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