Base | Representation |
---|---|
bin | 111100101110000101… |
… | …111111101011101100 |
3 | 20020021202020002002100 |
4 | 330232011333223230 |
5 | 2032011121123230 |
6 | 45541303455100 |
7 | 4465443302412 |
oct | 745605775354 |
9 | 206252202070 |
10 | 65197832940 |
11 | 25717527969 |
12 | 10776757490 |
13 | 61c0594896 |
14 | 3226d312b2 |
15 | 1a68c36660 |
hex | f2e17faec |
65197832940 has 36 divisors (see below), whose sum is σ = 197766760464. Its totient is φ = 17386088736.
The previous prime is 65197832933. The next prime is 65197832963. The reversal of 65197832940 is 4923879156.
65197832940 is a `hidden beast` number, since 6 + 519 + 7 + 8 + 32 + 94 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181104912 + ... + 181105271.
It is an arithmetic number, because the mean of its divisors is an integer number (5493521124).
It is a 1-persistent number, because it is pandigital, but 2⋅65197832940 = 130395665880 is not.
Almost surely, 265197832940 is an apocalyptic number.
65197832940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
65197832940 is an abundant number, since it is smaller than the sum of its proper divisors (132568927524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65197832940 is a wasteful number, since it uses less digits than its factorization.
65197832940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 362210198 (or 362210193 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 54.
The spelling of 65197832940 in words is "sixty-five billion, one hundred ninety-seven million, eight hundred thirty-two thousand, nine hundred forty".
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