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260472331777 = 725315761873
BaseRepresentation
bin1111001010010101011…
…1000101111000000001
3220220022202122102122011
43302211113011320001
513231421404104102
6315354230012521
724550514201200
oct3624527057001
9826282572564
10260472331777
11a05139280a9
12425937a7141
131b740894908
14c86d5a7237
156b973c72d7
hex3ca55c5e01

260472331777 has 6 divisors (see below), whose sum is σ = 302998426818. Its totient is φ = 223261998624.

The previous prime is 260472331771. The next prime is 260472331789. The reversal of 260472331777 is 777133274062.

It can be written as a sum of positive squares in only one way, i.e., 138202523536 + 122269808241 = 371756^2 + 349671^2 .

It is not a de Polignac number, because 260472331777 - 223 = 260463943169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 5315761873 = 260472331777 / (2 + 6 + 0 + 4 + 7 + 2 + 3 + 3 + 1 + 7 + 7 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260472331777.

It is not an unprimeable number, because it can be changed into a prime (260472331771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2657880888 + ... + 2657880985.

It is an arithmetic number, because the mean of its divisors is an integer number (50499737803).

Almost surely, 2260472331777 is an apocalyptic number.

It is an amenable number.

260472331777 is a deficient number, since it is larger than the sum of its proper divisors (42526095041).

260472331777 is an equidigital number, since it uses as much as digits as its factorization.

260472331777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315761887 (or 5315761880 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 49.

The spelling of 260472331777 in words is "two hundred sixty billion, four hundred seventy-two million, three hundred thirty-one thousand, seven hundred seventy-seven".

Divisors: 1 7 49 5315761873 37210333111 260472331777