Base | Representation |
---|---|
bin | 11111011110011010000101… |
… | …11001101011001111110011 |
3 | 100002001211202221011022011000 |
4 | 33233031002321223033303 |
5 | 33033002314210000033 |
6 | 403112413421253043 |
7 | 20402404224100305 |
oct | 1757150271531763 |
9 | 302054687138130 |
10 | 69214520390643 |
11 | 20065793383881 |
12 | 791a2a2a04183 |
13 | 2c80b94110474 |
14 | 1314001b59975 |
15 | 80066637ba13 |
hex | 3ef342e6b3f3 |
69214520390643 has 16 divisors (see below), whose sum is σ = 102543015260160. Its totient is φ = 46141670320488.
The previous prime is 69214520390641. The next prime is 69214520390671. The reversal of 69214520390643 is 34609302541296.
69214520390643 is a `hidden beast` number, since 6 + 9 + 21 + 4 + 520 + 3 + 90 + 6 + 4 + 3 = 666.
It is not a de Polignac number, because 69214520390643 - 21 = 69214520390641 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 69214520390643.
It is not an unprimeable number, because it can be changed into a prime (69214520390641) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36368055 + ... + 38223872.
It is an arithmetic number, because the mean of its divisors is an integer number (6408938453760).
Almost surely, 269214520390643 is an apocalyptic number.
69214520390643 is a deficient number, since it is larger than the sum of its proper divisors (33328494869517).
69214520390643 is a wasteful number, since it uses less digits than its factorization.
69214520390643 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74626303 (or 74626297 counting only the distinct ones).
The product of its (nonzero) digits is 8398080, while the sum is 54.
The spelling of 69214520390643 in words is "sixty-nine trillion, two hundred fourteen billion, five hundred twenty million, three hundred ninety thousand, six hundred forty-three".
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