Base | Representation |
---|---|
bin | 111011110010111100… |
… | …111101110010001010 |
3 | 20010201121011221021002 |
4 | 323302330331302022 |
5 | 2022443114010442 |
6 | 45255021015002 |
7 | 4432034452463 |
oct | 736274756212 |
9 | 203647157232 |
10 | 64205610122 |
11 | 25258436205 |
12 | 1053a3b4462 |
13 | 6092b4b5a4 |
14 | 3171249d6a |
15 | 1a0ba8e732 |
hex | ef2f3dc8a |
64205610122 has 16 divisors (see below), whose sum is σ = 101385101760. Its totient is φ = 30410836992.
The previous prime is 64205610097. The next prime is 64205610127. The reversal of 64205610122 is 22101650246.
It is a super-2 number, since 2×642056101222 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (64205610127) 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, 496643 + ... + 612425.
It is an arithmetic number, because the mean of its divisors is an integer number (6336568860).
Almost surely, 264205610122 is an apocalyptic number.
64205610122 is a deficient number, since it is larger than the sum of its proper divisors (37179491638).
64205610122 is a wasteful number, since it uses less digits than its factorization.
64205610122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130397.
The product of its (nonzero) digits is 5760, while the sum is 29.
The spelling of 64205610122 in words is "sixty-four billion, two hundred five million, six hundred ten thousand, one hundred twenty-two".
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