Base | Representation |
---|---|
bin | 111100011100100100… |
… | …010001011010100001 |
3 | 20012112020220122021202 |
4 | 330130210101122201 |
5 | 2030410331430001 |
6 | 45452201130545 |
7 | 4455243012254 |
oct | 743444213241 |
9 | 205466818252 |
10 | 64903780001 |
11 | 25586545605 |
12 | 106b4189a55 |
13 | 6174699968 |
14 | 31d9c6909b |
15 | 1a4ceee96b |
hex | f1c9116a1 |
64903780001 has 8 divisors (see below), whose sum is σ = 64965958464. Its totient is φ = 64841634000.
The previous prime is 64903779979. The next prime is 64903780009. The reversal of 64903780001 is 10008730946.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 64903780001 - 210 = 64903778977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64903780009) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5790935 + ... + 5802131.
It is an arithmetic number, because the mean of its divisors is an integer number (8120744808).
Almost surely, 264903780001 is an apocalyptic number.
It is an amenable number.
64903780001 is a deficient number, since it is larger than the sum of its proper divisors (62178463).
64903780001 is a wasteful number, since it uses less digits than its factorization.
64903780001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16231.
The product of its (nonzero) digits is 36288, while the sum is 38.
The spelling of 64903780001 in words is "sixty-four billion, nine hundred three million, seven hundred eighty thousand, one".
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