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79480430233 = 997255731177
BaseRepresentation
bin100101000000101100…
…1110001111010011001
321121011010110012021021
41022001121301322121
52300233442231413
6100302433242441
75512412336641
oct1120131617231
9247133405237
1079480430233
11307866a3686
12134a1a03421
1376585ba399
143bbdb6b521
152102a8c18d
hex1281671e99

79480430233 has 8 divisors (see below), whose sum is σ = 79593817352. Its totient is φ = 79367112576.

The previous prime is 79480430221. The next prime is 79480430311. The reversal of 79480430233 is 33203408497.

It can be written as a sum of positive squares in 4 ways, for example, as 32946606144 + 46533824089 = 181512^2 + 215717^2 .

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 79480430233 - 225 = 79446875801 is a prime.

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 79480430233.

It is not an unprimeable number, because it can be changed into a prime (79480490233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2533741 + ... + 2564917.

It is an arithmetic number, because the mean of its divisors is an integer number (9949227169).

Almost surely, 279480430233 is an apocalyptic number.

It is an amenable number.

79480430233 is a deficient number, since it is larger than the sum of its proper divisors (113387119).

79480430233 is a wasteful number, since it uses less digits than its factorization.

79480430233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34731.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 79480430233 in words is "seventy-nine billion, four hundred eighty million, four hundred thirty thousand, two hundred thirty-three".

Divisors: 1 997 2557 31177 2549329 31083469 79719589 79480430233