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802279645472 = 2519128292
BaseRepresentation
bin10111010110010111001…
…01111110000100100000
32211200211020200201200102
423223023211332010200
5101121032042123342
61412321233041532
7111651144316514
oct13531345760440
92750736621612
10802279645472
1128a276a43118
1210b5a19b62a8
135a868345c16
142ab8b016144
1515d084e2832
hexbacb97e120

802279645472 has 54 divisors (see below), whose sum is σ = 1589718550329. Its totient is φ = 398558263680.

The previous prime is 802279645451. The next prime is 802279645483. The reversal of 802279645472 is 274546972208.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

802279645472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 797656189456 + 4623456016 = 893116^2 + 67996^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=633356.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 967767554 + ... + 967768382.

Almost surely, 2802279645472 is an apocalyptic number.

It is an amenable number.

802279645472 is a deficient number, since it is larger than the sum of its proper divisors (787438904857).

802279645472 is an frugal number, since it uses more digits than its factorization.

802279645472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 802279645472 in words is "eight hundred two billion, two hundred seventy-nine million, six hundred forty-five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 191 382 764 829 1528 1658 3056 3316 6112 6632 13264 26528 36481 72962 145924 158339 291848 316678 583696 633356 687241 1167392 1266712 1374482 2533424 2748964 5066848 5497928 10995856 21991712 30242749 60485498 120970996 131263031 241941992 262526062 483883984 525052124 967767968 1050104248 2100208496 4200416992 25071238921 50142477842 100284955684 200569911368 401139822736 802279645472