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730465751680 = 275737379577
BaseRepresentation
bin10101010000100110010…
…01101101001010000000
32120211110102011221022021
422220103021231022000
543431443213023210
61315323224051224
7103526423305000
oct12502311551200
92524412157267
10730465751680
11261874967875
12b969b603b14
1353b62185542
14274d754c000
1514003a31bda
hexaa1326d280

730465751680 has 512 divisors, whose sum is σ = 2094117120000. Its totient is φ = 243465191424.

The previous prime is 730465751677. The next prime is 730465751699. The reversal of 730465751680 is 86157564037.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1265971552 + ... + 1265972128.

It is an arithmetic number, because the mean of its divisors is an integer number (4090072500).

Almost surely, 2730465751680 is an apocalyptic number.

730465751680 is a gapful number since it is divisible by the number (70) 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 730465751680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047058560000).

730465751680 is an abundant number, since it is smaller than the sum of its proper divisors (1363651368320).

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

730465751680 is an equidigital number, since it uses as much as digits as its factorization.

730465751680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 730465751680 in words is "seven hundred thirty billion, four hundred sixty-five million, seven hundred fifty-one thousand, six hundred eighty".