Base | Representation |
---|---|
bin | 1100001110111011010… |
… | …01011001010100001010 |
3 | 1111011221112212221020210 |
4 | 12013131221121110022 |
5 | 23341314043202132 |
6 | 521032552101550 |
7 | 42240115552425 |
oct | 6073551312412 |
9 | 1434845787223 |
10 | 420330444042 |
11 | 152296639973 |
12 | 695679948b6 |
13 | 30838612ba2 |
14 | 164b63049bc |
15 | ae01688bcc |
hex | 61dda5950a |
420330444042 has 32 divisors (see below), whose sum is σ = 877529341440. Its totient is φ = 134066972160.
The previous prime is 420330443983. The next prime is 420330444109. The reversal of 420330444042 is 240444033024.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12679183 + ... + 12712290.
It is an arithmetic number, because the mean of its divisors is an integer number (27422791920).
Almost surely, 2420330444042 is an apocalyptic number.
420330444042 is an abundant number, since it is smaller than the sum of its proper divisors (457198897398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420330444042 is a wasteful number, since it uses less digits than its factorization.
420330444042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25391598.
The product of its (nonzero) digits is 36864, while the sum is 30.
Adding to 420330444042 its reverse (240444033024), we get a palindrome (660774477066).
The spelling of 420330444042 in words is "four hundred twenty billion, three hundred thirty million, four hundred forty-four thousand, forty-two".
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