Base | Representation |
---|---|
bin | 1110010010011000110… |
… | …00010101101000101000 |
3 | 1201221010012111001012000 |
4 | 13021030120111220220 |
5 | 31020334334021412 |
6 | 1013304144051000 |
7 | 50316102526146 |
oct | 7111430255050 |
9 | 1657105431160 |
10 | 490907720232 |
11 | 17a2136790a6 |
12 | 7b184003a60 |
13 | 373a552ac87 |
14 | 19a8d86a596 |
15 | cb827c94dc |
hex | 724c615a28 |
490907720232 has 128 divisors (see below), whose sum is σ = 1369107091200. Its totient is φ = 162980294400.
The previous prime is 490907720221. The next prime is 490907720239. The reversal of 490907720232 is 232027709094.
490907720232 is a `hidden beast` number, since 490 + 90 + 7 + 72 + 0 + 2 + 3 + 2 = 666.
It is not an unprimeable number, because it can be changed into a prime (490907720239) 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, 60104613 + ... + 60112779.
It is an arithmetic number, because the mean of its divisors is an integer number (10696149150).
Almost surely, 2490907720232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 490907720232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684553545600).
490907720232 is an abundant number, since it is smaller than the sum of its proper divisors (878199370968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490907720232 is a wasteful number, since it uses less digits than its factorization.
490907720232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9264 (or 9254 counting only the distinct ones).
The product of its (nonzero) digits is 381024, while the sum is 45.
The spelling of 490907720232 in words is "four hundred ninety billion, nine hundred seven million, seven hundred twenty thousand, two hundred thirty-two".
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