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245605242141 = 3276793573899
BaseRepresentation
bin1110010010111100110…
…1101001010100011101
3212110221122121000200200
43210233031221110131
513010444420222031
6304455100414113
723513220053430
oct3445715512435
9773848530620
10245605242141
1195184835666
123b724847339
131a211742c5c
14bc5cc9d817
1565c70b88e6
hex392f36951d

245605242141 has 24 divisors (see below), whose sum is σ = 405503966400. Its totient is φ = 140324947776.

The previous prime is 245605242107. The next prime is 245605242143. The reversal of 245605242141 is 141242506542.

245605242141 is a `hidden beast` number, since 2 + 4 + 5 + 605 + 2 + 4 + 2 + 1 + 41 = 666.

It is not a de Polignac number, because 245605242141 - 213 = 245605233949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245605242096 and 245605242105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245605242143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141010 + ... + 714908.

It is an arithmetic number, because the mean of its divisors is an integer number (16895998600).

Almost surely, 2245605242141 is an apocalyptic number.

245605242141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

245605242141 is a deficient number, since it is larger than the sum of its proper divisors (159898724259).

245605242141 is a wasteful number, since it uses less digits than its factorization.

245605242141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580705 (or 580702 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 245605242141 its reverse (141242506542), we get a palindrome (386847748683).

The spelling of 245605242141 in words is "two hundred forty-five billion, six hundred five million, two hundred forty-two thousand, one hundred forty-one".

Divisors: 1 3 7 9 21 63 6793 20379 47551 61137 142653 427959 573899 1721697 4017293 5165091 12051879 36155637 3898495907 11695487721 27289471349 35086463163 81868414047 245605242141