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245242242542 = 21131359592731
BaseRepresentation
bin1110010001100110010…
…0111010010111101110
3212110000100112201212002
43210121210322113232
513004224003230132
6304355052212302
723501221444523
oct3443144722756
9773010481762
10245242242542
11950089416a0
123b64316a092
131a184487aab
14bc269ab14a
1565a52b3262
hex391993a5ee

245242242542 has 16 divisors (see below), whose sum is σ = 414250827264. Its totient is φ = 107877819000.

The previous prime is 245242242527. The next prime is 245242242571.

245242242542 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 245242242496 and 245242242505.

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, 179795684 + ... + 179797047.

It is an arithmetic number, because the mean of its divisors is an integer number (25890676704).

Almost surely, 2245242242542 is an apocalyptic number.

245242242542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245242242542 is a deficient number, since it is larger than the sum of its proper divisors (169008584722).

245242242542 is a wasteful number, since it uses less digits than its factorization.

245242242542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359592775.

The product of its digits is 409600, while the sum is 38.

It can be divided in two parts, 245242 and 242542, that added together give a palindrome (487784).

The spelling of 245242242542 in words is "two hundred forty-five billion, two hundred forty-two million, two hundred forty-two thousand, five hundred forty-two".

Divisors: 1 2 11 22 31 62 341 682 359592731 719185462 3955520041 7911040082 11147374661 22294749322 122621121271 245242242542