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1025142424245 = 3358985321883
BaseRepresentation
bin11101110101011110100…
…00000000001010110101
310122000001221022220122000
432322233100000022311
5113243442430033440
62102535515525513
7134030661555312
oct16725720001265
93560057286560
101025142424245
1136584019a405
1214681a159899
137589417a954
143788d6a5d09
151b9edbbd730
hexeeaf4002b5

1025142424245 has 32 divisors (see below), whose sum is σ = 1842952694400. Its totient is φ = 540599444352.

The previous prime is 1025142424237. The next prime is 1025142424249. The reversal of 1025142424245 is 5424242415201.

1025142424245 is a `hidden beast` number, since 102 + 51 + 42 + 42 + 424 + 5 = 666.

It is not a de Polignac number, because 1025142424245 - 23 = 1025142424237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025142424249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42648927 + ... + 42672956.

It is an arithmetic number, because the mean of its divisors is an integer number (57592271700).

Almost surely, 21025142424245 is an apocalyptic number.

1025142424245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1025142424245 is a deficient number, since it is larger than the sum of its proper divisors (817810270155).

1025142424245 is an equidigital number, since it uses as much as digits as its factorization.

1025142424245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85321986 (or 85321980 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 1025142424245 its reverse (5424242415201), we get a palindrome (6449384839446).

The spelling of 1025142424245 in words is "one trillion, twenty-five billion, one hundred forty-two million, four hundred twenty-four thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 27 45 89 135 267 445 801 1335 2403 4005 12015 85321883 255965649 426609415 767896947 1279828245 2303690841 3839484735 7593647587 11518454205 22780942761 37968237935 68342828283 113904713805 205028484849 341714141415 1025142424245