Base | Representation |
---|---|
bin | 111101011010110111… |
… | …001010101100111000 |
3 | 20022020002112021201000 |
4 | 331122313022230320 |
5 | 2040030410430012 |
6 | 50144014125000 |
7 | 4523163401430 |
oct | 753267125470 |
9 | 208202467630 |
10 | 65948920632 |
11 | 25a724a01a1 |
12 | 109461b0760 |
13 | 62b008047a |
14 | 32989a72c0 |
15 | 1aaeb4addc |
hex | f5adcab38 |
65948920632 has 128 divisors (see below), whose sum is σ = 209425305600. Its totient is φ = 18836820864.
The previous prime is 65948920591. The next prime is 65948920633. The reversal of 65948920632 is 23602984956.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65948920633) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9139458 + ... + 9146670.
It is an arithmetic number, because the mean of its divisors is an integer number (1636135200).
Almost surely, 265948920632 is an apocalyptic number.
It is an amenable number.
65948920632 is an abundant number, since it is smaller than the sum of its proper divisors (143476384968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65948920632 is a wasteful number, since it uses less digits than its factorization.
65948920632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13282 (or 13272 counting only the distinct ones).
The product of its (nonzero) digits is 5598720, while the sum is 54.
The spelling of 65948920632 in words is "sixty-five billion, nine hundred forty-eight million, nine hundred twenty thousand, six hundred thirty-two".
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