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730820620250 = 25371724565399
BaseRepresentation
bin10101010001010000100…
…11011010111111011010
32120212101010221010110122
422220220103122333122
543433210034322000
61315422342113242
7103541262530150
oct12505023327732
92525333833418
10730820620250
11261a37207886
12b977a41b822
1353bba854746
142752c7253d0
1514024c7d085
hexaa284dafda

730820620250 has 64 divisors (see below), whose sum is σ = 1655511436800. Its totient is φ = 235827820800.

The previous prime is 730820620183. The next prime is 730820620261. The reversal of 730820620250 is 52026028037.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 730820620250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12252950 + ... + 12312449.

It is an arithmetic number, because the mean of its divisors is an integer number (25867366200).

Almost surely, 2730820620250 is an apocalyptic number.

730820620250 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

730820620250 is an abundant number, since it is smaller than the sum of its proper divisors (924690816550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730820620250 is a wasteful number, since it uses less digits than its factorization.

730820620250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24565440 (or 24565430 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 730820620250 its reverse (52026028037), we get a palindrome (782846648287).

The spelling of 730820620250 in words is "seven hundred thirty billion, eight hundred twenty million, six hundred twenty thousand, two hundred fifty".

Divisors: 1 2 5 7 10 14 17 25 34 35 50 70 85 119 125 170 175 238 250 350 425 595 850 875 1190 1750 2125 2975 4250 5950 14875 29750 24565399 49130798 122826995 171957793 245653990 343915586 417611783 614134975 835223566 859788965 1228269950 1719577930 2088058915 2923282481 3070674875 4176117830 4298944825 5846564962 6141349750 8597889650 10440294575 14616412405 20880589150 21494724125 29232824810 42989448250 52201472875 73082062025 104402945750 146164124050 365410310125 730820620250