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7075980287 = 139228722259
BaseRepresentation
bin1101001011100001…
…01110001111111111
3200021010201001010222
412211300232033333
5103442422332122
63130050451555
7340230561065
oct64560561777
920233631128
107075980287
11300122a7a2
121455893bbb
13889c897ac
144b1a98035
152b6326b42
hex1a5c2e3ff

7075980287 has 8 divisors (see below), whose sum is σ = 7130323200. Its totient is φ = 7021686744.

The previous prime is 7075980269. The next prime is 7075980313. The reversal of 7075980287 is 7820895707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7075980287 - 28 = 7075980031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7071980287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306764 + ... + 329022.

It is an arithmetic number, because the mean of its divisors is an integer number (891290400).

Almost surely, 27075980287 is an apocalyptic number.

7075980287 is a deficient number, since it is larger than the sum of its proper divisors (54342913).

7075980287 is a wasteful number, since it uses less digits than its factorization.

7075980287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24685.

The product of its (nonzero) digits is 1975680, while the sum is 53.

The square root of 7075980287 is about 84118.8462058295. The cubic root of 7075980287 is about 1919.8274844092.

The spelling of 7075980287 in words is "seven billion, seventy-five million, nine hundred eighty thousand, two hundred eighty-seven".

Divisors: 1 139 2287 22259 317893 3094001 50906333 7075980287