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720216061416 = 233210003000853
BaseRepresentation
bin10100111101100000011…
…10001111010111101000
32112212000002120201112100
422132300032033113220
543300000302431131
61310510201413400
7103014424341045
oct12366016172750
92485002521470
10720216061416
11258495210875
12b76baa9a260
1352bba833667
1426c041901cc
1513b03ca17e6
hexa7b038f5e8

720216061416 has 24 divisors (see below), whose sum is σ = 1950585166530. Its totient is φ = 240072020448.

The previous prime is 720216061403. The next prime is 720216061417. The reversal of 720216061416 is 614160612027.

720216061416 is a `hidden beast` number, since 7 + 2 + 0 + 2 + 1 + 606 + 1 + 41 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 409126536900 + 311089524516 = 639630^2 + 557754^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×7202160614162 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (720216061417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5001500355 + ... + 5001500498.

Almost surely, 2720216061416 is an apocalyptic number.

It is an amenable number.

720216061416 is an abundant number, since it is smaller than the sum of its proper divisors (1230369105114).

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

720216061416 is a wasteful number, since it uses less digits than its factorization.

720216061416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10003000865 (or 10003000858 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 720216061416 in words is "seven hundred twenty billion, two hundred sixteen million, sixty-one thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 10003000853 20006001706 30009002559 40012003412 60018005118 80024006824 90027007677 120036010236 180054015354 240072020472 360108030708 720216061416