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8041021536 = 253233641767
BaseRepresentation
bin1110111110100100…
…00100000001100000
3202202101121012212110
413133102010001200
5112432000142121
63405522555320
7403156361322
oct73722040140
922671535773
108041021536
113456a46549
121684b08b40
139b1ba6912
14563d05612
15320deed76
hex1df484060

8041021536 has 48 divisors (see below), whose sum is σ = 22025412864. Its totient is φ = 2563803264.

The previous prime is 8041021531. The next prime is 8041021561. The reversal of 8041021536 is 6351201408.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8041021531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1818676 + ... + 1823091.

It is an arithmetic number, because the mean of its divisors is an integer number (458862768).

Almost surely, 28041021536 is an apocalyptic number.

It is an amenable number.

8041021536 is an abundant number, since it is smaller than the sum of its proper divisors (13984391328).

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

8041021536 is a wasteful number, since it uses less digits than its factorization.

8041021536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641803 (or 3641795 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 8041021536 is about 89671.7432416701. The cubic root of 8041021536 is about 2003.4126349826.

The spelling of 8041021536 in words is "eight billion, forty-one million, twenty-one thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 69 92 96 138 184 276 368 552 736 1104 2208 3641767 7283534 10925301 14567068 21850602 29134136 43701204 58268272 83760641 87402408 116536544 167521282 174804816 251281923 335042564 349609632 502563846 670085128 1005127692 1340170256 2010255384 2680340512 4020510768 8041021536