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1005254143430 = 25531896705931
BaseRepresentation
bin11101010000011011101…
…00001110110111000110
310120002201220000120021212
432220031310032313012
5112432230030042210
62045450221011422
7132425064143315
oct16501564166706
93502656016255
101005254143430
11358364836699
121429a96b3b72
1373a4498aa54
143692418227c
151b237b6e805
hexea0dd0edc6

1005254143430 has 16 divisors (see below), whose sum is σ = 1843598165904. Its totient is φ = 394514833440.

The previous prime is 1005254143427. The next prime is 1005254143469. The reversal of 1005254143430 is 343414525001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948352436 + ... + 948353495.

It is an arithmetic number, because the mean of its divisors is an integer number (115224885369).

Almost surely, 21005254143430 is an apocalyptic number.

1005254143430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005254143430 is a deficient number, since it is larger than the sum of its proper divisors (838344022474).

1005254143430 is a wasteful number, since it uses less digits than its factorization.

1005254143430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896705991.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 1005254143430 its reverse (343414525001), we get a palindrome (1348668668431).

The spelling of 1005254143430 in words is "one trillion, five billion, two hundred fifty-four million, one hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 1896705931 3793411862 9483529655 18967059310 100525414343 201050828686 502627071715 1005254143430