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2053081568 = 251723164089
BaseRepresentation
bin111101001011111…
…1000100111100000
312022002020100110002
41322113320213200
513201042102233
6535420355132
7101606622356
oct17227704740
95262210402
102053081568
11963a0262a
124936a5aa8
13269471285
141569557d6
15c039a6e8
hex7a5f89e0

2053081568 has 48 divisors (see below), whose sum is σ = 4465873440. Its totient is φ = 924143616.

The previous prime is 2053081549. The next prime is 2053081577. The reversal of 2053081568 is 8651803502.

It is a super-2 number, since 2×20530815682 = 8430287849722677248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69533 + ... + 94556.

It is an arithmetic number, because the mean of its divisors is an integer number (93039030).

Almost surely, 22053081568 is an apocalyptic number.

It is an amenable number.

2053081568 is an abundant number, since it is smaller than the sum of its proper divisors (2412791872).

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

2053081568 is a wasteful number, since it uses less digits than its factorization.

2053081568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164139 (or 164131 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 2053081568 is about 45310.9431373923. The cubic root of 2053081568 is about 1270.9702978188.

The spelling of 2053081568 in words is "two billion, fifty-three million, eighty-one thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 17 23 32 34 46 68 92 136 184 272 368 391 544 736 782 1564 3128 6256 12512 164089 328178 656356 1312712 2625424 2789513 3774047 5250848 5579026 7548094 11158052 15096188 22316104 30192376 44632208 60384752 64158799 89264416 120769504 128317598 256635196 513270392 1026540784 2053081568