Base | Representation |
---|---|
bin | 1110010001011010111… |
… | …01100111110001001100 |
3 | 1201212210001102220121200 |
4 | 13020231131213301030 |
5 | 31013304041332112 |
6 | 1013140454225500 |
7 | 50300203551660 |
oct | 7105535476114 |
9 | 1655701386550 |
10 | 490389011532 |
11 | 179a778a3622 |
12 | 7b05a355290 |
13 | 37321c25454 |
14 | 19a40a048a0 |
15 | cb51eb7cdc |
hex | 722d767c4c |
490389011532 has 288 divisors, whose sum is σ = 1504548864000. Its totient is φ = 131724334080.
The previous prime is 490389011507. The next prime is 490389011591. The reversal of 490389011532 is 235110983094.
It is a happy number.
490389011532 is a `hidden beast` number, since 490 + 3 + 8 + 9 + 0 + 1 + 153 + 2 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 50296594 + ... + 50306342.
It is an arithmetic number, because the mean of its divisors is an integer number (5224128000).
Almost surely, 2490389011532 is an apocalyptic number.
490389011532 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 490389011532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752274432000).
490389011532 is an abundant number, since it is smaller than the sum of its proper divisors (1014159852468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490389011532 is a wasteful number, since it uses less digits than its factorization.
490389011532 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9981 (or 9976 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 45.
The spelling of 490389011532 in words is "four hundred ninety billion, three hundred eighty-nine million, eleven thousand, five hundred thirty-two".
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