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10492759440 = 24365179917
BaseRepresentation
bin10011100010110101…
…01100110110010000
31000002020222102000000
421301122230312100
5132442121300230
64453104130000
7521006661252
oct116132546620
930066872000
1010492759440
1144a4986519
12204a006900
13cb2b089c7
14717791cd2
15416295b60
hex2716acd90

10492759440 has 140 divisors (see below), whose sum is σ = 36576969564. Its totient is φ = 2798053632.

The previous prime is 10492759427. The next prime is 10492759457. The reversal of 10492759440 is 4495729401.

10492759440 is a `hidden beast` number, since 1 + 0 + 492 + 75 + 94 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6951557376 + 3541202064 = 83376^2 + 59508^2 .

It is a super-2 number, since 2×104927594402 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 31639 + ... + 148278.

Almost surely, 210492759440 is an apocalyptic number.

10492759440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10492759440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18288484782).

10492759440 is an abundant number, since it is smaller than the sum of its proper divisors (26084210124).

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

10492759440 is an equidigital number, since it uses as much as digits as its factorization.

10492759440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179948 (or 179927 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 10492759440 in words is "ten billion, four hundred ninety-two million, seven hundred fifty-nine thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 81 90 108 120 135 144 162 180 216 240 243 270 324 360 405 432 486 540 648 720 729 810 972 1080 1215 1296 1458 1620 1944 2160 2430 2916 3240 3645 3888 4860 5832 6480 7290 9720 11664 14580 19440 29160 58320 179917 359834 539751 719668 899585 1079502 1439336 1619253 1799170 2159004 2698755 2878672 3238506 3598340 4318008 4857759 5397510 6477012 7196680 8096265 8636016 9715518 10795020 12954024 14393360 14573277 16192530 19431036 21590040 24288795 25908048 29146554 32385060 38862072 43180080 43719831 48577590 58293108 64770120 72866385 77724144 87439662 97155180 116586216 129540240 131159493 145732770 174879324 194310360 218599155 233172432 262318986 291465540 349758648 388620720 437198310 524637972 582931080 655797465 699517296 874396620 1049275944 1165862160 1311594930 1748793240 2098551888 2623189860 3497586480 5246379720 10492759440