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730901015680 = 275114719711213
BaseRepresentation
bin10101010001011010001…
…10000110110010000000
32120212120202012122021011
422220231012012302000
543433341130000210
61315434333210304
7103543260061153
oct12505506066200
92525522178234
10730901015680
11261a78629090
12b97a1330994
1353c013c2ac4
1427539291c9a
151402bd5dd8a
hexaa2d186c80

730901015680 has 256 divisors, whose sum is σ = 1956769436160. Its totient is φ = 258783723520.

The previous prime is 730901015659. The next prime is 730901015683. The reversal of 730901015680 is 86510109037.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (730901015683) 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, 65177754 + ... + 65188966.

It is an arithmetic number, because the mean of its divisors is an integer number (7643630610).

Almost surely, 2730901015680 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 730901015680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978384718080).

730901015680 is an abundant number, since it is smaller than the sum of its proper divisors (1225868420480).

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

730901015680 is a wasteful number, since it uses less digits than its factorization.

730901015680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11487 (or 11475 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 730901015680 in words is "seven hundred thirty billion, nine hundred one million, fifteen thousand, six hundred eighty".