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245115343511542 = 27177757132769937
BaseRepresentation
bin110111101110111001011100…
…111110101001111111110110
31012010212210112201211200111001
4313232321130332221333312
5224111432210414332132
62225152233450033514
7102425666466663010
oct6756713476517766
91163783481750431
10245115343511542
11711129192a5329
12235a8bb471889a
13a6a037c19a13a
1444759085c91b0
151d5102c782ce7
hexdeee5cfa9ff6

245115343511542 has 32 divisors (see below), whose sum is σ = 444972605329728. Its totient is φ = 98857307867136.

The previous prime is 245115343511513. The next prime is 245115343511543.

245115343511542 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 245115343511492 and 245115343511501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245115343511543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64538803 + ... + 68231134.

It is an arithmetic number, because the mean of its divisors is an integer number (13905393916554).

Almost surely, 2245115343511542 is an apocalyptic number.

245115343511542 is a deficient number, since it is larger than the sum of its proper divisors (199857261818186).

245115343511542 is a wasteful number, since it uses less digits than its factorization.

245115343511542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132777720.

The product of its digits is 1440000, while the sum is 46.

The spelling of 245115343511542 in words is "two hundred forty-five trillion, one hundred fifteen billion, three hundred forty-three million, five hundred eleven thousand, five hundred forty-two".

Divisors: 1 2 7 14 17 34 119 238 7757 15514 54299 108598 131869 263738 923083 1846166 132769937 265539874 929389559 1858779118 2257088929 4514177858 15799622503 31599245006 1029896401309 2059792802618 7209274809163 14418549618326 17508238822253 35016477644506 122557671755771 245115343511542