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260163215312331 = 31181118373620329
BaseRepresentation
bin111011001001110111111000…
…000010000100010111001011
31021010011100201210102111212110
4323021313320002010113023
5233100003231104443311
62321153155310313403
7105541113001603002
oct7311677002042713
91233140653374773
10260163215312331
117599466666a331
122521945a4b8863
13b222394277356
144835d76cc3c39
152012697a048a6
hexec9df80845cb

260163215312331 has 16 divisors (see below), whose sum is σ = 347181500489760. Its totient is φ = 173293539797760.

The previous prime is 260163215312303. The next prime is 260163215312333. The reversal of 260163215312331 is 133213512361062.

260163215312331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 260163215312331 - 218 = 260163215050187 is a prime.

It is a super-2 number, since 2×2601632153123312 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 260163215312331.

It is not an unprimeable number, because it can be changed into a prime (260163215312333) 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, 419085375 + ... + 419705703.

It is an arithmetic number, because the mean of its divisors is an integer number (21698843780610).

Almost surely, 2260163215312331 is an apocalyptic number.

260163215312331 is a deficient number, since it is larger than the sum of its proper divisors (87018285177429).

260163215312331 is a wasteful number, since it uses less digits than its factorization.

260163215312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739886.

The product of its (nonzero) digits is 116640, while the sum is 39.

Adding to 260163215312331 its reverse (133213512361062), we get a palindrome (393376727673393).

The spelling of 260163215312331 in words is "two hundred sixty trillion, one hundred sixty-three billion, two hundred fifteen million, three hundred twelve thousand, three hundred thirty-one".

Divisors: 1 3 1181 3543 118373 355119 620329 1860987 139798513 419395539 732608549 2197825647 73430204717 220290614151 86721071770777 260163215312331