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79478585285 = 5111445065187
BaseRepresentation
bin100101000000101001…
…0101111011111000101
321121010222222110110212
41022001102233133011
52300233004212120
6100302325525205
75512360554041
oct1120122573705
9247128873425
1079478585285
1130785653530
12134a1273805
1376580c26b8
143bbd80b021
1521028256c5
hex12814af7c5

79478585285 has 8 divisors (see below), whose sum is σ = 104044693536. Its totient is φ = 57802607440.

The previous prime is 79478585281. The next prime is 79478585287. The reversal of 79478585285 is 58258587497.

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

It is not a de Polignac number, because 79478585285 - 22 = 79478585281 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 (79478585281) 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, 722532539 + ... + 722532648.

It is an arithmetic number, because the mean of its divisors is an integer number (13005586692).

Almost surely, 279478585285 is an apocalyptic number.

It is an amenable number.

79478585285 is a deficient number, since it is larger than the sum of its proper divisors (24566108251).

79478585285 is a wasteful number, since it uses less digits than its factorization.

79478585285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445065203.

The product of its digits is 225792000, while the sum is 68.

The spelling of 79478585285 in words is "seventy-nine billion, four hundred seventy-eight million, five hundred eighty-five thousand, two hundred eighty-five".

Divisors: 1 5 11 55 1445065187 7225325935 15895717057 79478585285