Base | Representation |
---|---|
bin | 111101000000100010… |
… | …111110011110100110 |
3 | 20021002022202201210100 |
4 | 331000202332132212 |
5 | 2033124344420240 |
6 | 50032123204530 |
7 | 4506222611661 |
oct | 750042763646 |
9 | 207068681710 |
10 | 65507420070 |
11 | 2586625a2a4 |
12 | 10842376746 |
13 | 623c76b331 |
14 | 32560bc6d8 |
15 | 1a85edae30 |
hex | f408be7a6 |
65507420070 has 48 divisors (see below), whose sum is σ = 170334964800. Its totient is φ = 17467037952.
The previous prime is 65507420059. The next prime is 65507420117. The reversal of 65507420070 is 7002470556.
65507420070 is a `hidden beast` number, since 65 + 507 + 4 + 20 + 0 + 70 = 666.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201747 + ... + 1255073.
It is an arithmetic number, because the mean of its divisors is an integer number (3548645100).
Almost surely, 265507420070 is an apocalyptic number.
65507420070 is an abundant number, since it is smaller than the sum of its proper divisors (104827544730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65507420070 is a wasteful number, since it uses less digits than its factorization.
65507420070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66989 (or 66986 counting only the distinct ones).
The product of its (nonzero) digits is 58800, while the sum is 36.
The spelling of 65507420070 in words is "sixty-five billion, five hundred seven million, four hundred twenty thousand, seventy".
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