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540373507731550 = 25237451764665439
BaseRepresentation
bin111101011011101111000001…
…0111110010111000001011110
32121212022012110212012100110001
41322313132002332113001132
51031311434420434402200
65153140055025004514
7221551461161404243
oct17267360276270136
92555265425170401
10540373507731550
111471a81326738a9
125073400a48373a
131a26a006b4a19c
1497623084a15ca
15427154d32276a
hex1eb7782f9705e

540373507731550 has 48 divisors (see below), whose sum is σ = 1032487990289280. Its totient is φ = 210260964965760.

The previous prime is 540373507731457. The next prime is 540373507731559. The reversal of 540373507731550 is 55137705373045.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 540373507731491 and 540373507731500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540373507731559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23976270 + ... + 40689169.

It is an arithmetic number, because the mean of its divisors is an integer number (21510166464360).

Almost surely, 2540373507731550 is an apocalyptic number.

540373507731550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

540373507731550 is a deficient number, since it is larger than the sum of its proper divisors (492114482557730).

540373507731550 is a wasteful number, since it uses less digits than its factorization.

540373507731550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64670005 (or 64670000 counting only the distinct ones).

The product of its (nonzero) digits is 23152500, while the sum is 55.

The spelling of 540373507731550 in words is "five hundred forty trillion, three hundred seventy-three billion, five hundred seven million, seven hundred thirty-one thousand, five hundred fifty".

Divisors: 1 2 5 10 25 37 50 74 185 370 925 1850 4517 9034 22585 45170 112925 167129 225850 334258 835645 1671290 4178225 8356450 64665439 129330878 323327195 646654390 1616635975 2392621243 3233271950 4785242486 11963106215 23926212430 59815531075 119631062150 292093787963 584187575926 1460468939815 2920937879630 7302344699075 10807470154631 14604689398150 21614940309262 54037350773155 108074701546310 270186753865775 540373507731550