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24740028985 = 575091388719
BaseRepresentation
bin10111000010100111…
…101110001000111001
32100212011201200121211
4113002213232020321
5401131421411420
615210532403121
71534036530250
oct270247561071
970764650554
1024740028985
11a546112a51
1249654764a1
132443712509
1412a9a33797
1599be6de5a
hex5c29ee239

24740028985 has 16 divisors (see below), whose sum is σ = 33995865600. Its totient is φ = 16931249856.

The previous prime is 24740028979. The next prime is 24740029007. The reversal of 24740028985 is 58982004742.

It is a cyclic number.

It is not a de Polignac number, because 24740028985 - 213 = 24740020793 is a prime.

It is a super-2 number, since 2×247400289852 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676545 + ... + 712174.

It is an arithmetic number, because the mean of its divisors is an integer number (2124741600).

Almost surely, 224740028985 is an apocalyptic number.

It is an amenable number.

24740028985 is a deficient number, since it is larger than the sum of its proper divisors (9255836615).

24740028985 is a wasteful number, since it uses less digits than its factorization.

24740028985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389240.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 24740028985 in words is "twenty-four billion, seven hundred forty million, twenty-eight thousand, nine hundred eighty-five".

Divisors: 1 5 7 35 509 2545 3563 17815 1388719 6943595 9721033 48605165 706857971 3534289855 4948005797 24740028985