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1080302147257 = 4059126614327
BaseRepresentation
bin11111011100001110000…
…01101001011010111001
310211021110010002011121011
433232013001221122321
5120144424322203012
62144141200113521
7141022615512304
oct17560701513271
93737403064534
101080302147257
11387176442753
121554530058a1
137ab44ba08c8
143a403393b3b
151d17b51a1a7
hexfb870696b9

1080302147257 has 4 divisors (see below), whose sum is σ = 1080328802176. Its totient is φ = 1080275492340.

The previous prime is 1080302147213. The next prime is 1080302147263. The reversal of 1080302147257 is 7527412030801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1080302147257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080302147297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13266573 + ... + 13347754.

It is an arithmetic number, because the mean of its divisors is an integer number (270082200544).

Almost surely, 21080302147257 is an apocalyptic number.

It is an amenable number.

1080302147257 is a deficient number, since it is larger than the sum of its proper divisors (26654919).

1080302147257 is an equidigital number, since it uses as much as digits as its factorization.

1080302147257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26654918.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 1080302147257 in words is "one trillion, eighty billion, three hundred two million, one hundred forty-seven thousand, two hundred fifty-seven".

Divisors: 1 40591 26614327 1080302147257