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74647912313 = 1315233770287
BaseRepresentation
bin100010110000101011…
…1001011111101111001
321010200100012211221002
41011201113023331321
52210334331143223
654143123454345
75251562533262
oct1054127137571
9233610184832
1074647912313
1129726889417
12125735273b5
13706836ba20
143882025969
151e1d6b9e28
hex11615cbf79

74647912313 has 8 divisors (see below), whose sum is σ = 80442864768. Its totient is φ = 68860503504.

The previous prime is 74647912303. The next prime is 74647912333. The reversal of 74647912313 is 31321974647.

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

It is not a de Polignac number, because 74647912313 - 212 = 74647908217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74647912303) 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, 1865345 + ... + 1904942.

It is an arithmetic number, because the mean of its divisors is an integer number (10055358096).

Almost surely, 274647912313 is an apocalyptic number.

It is an amenable number.

74647912313 is a deficient number, since it is larger than the sum of its proper divisors (5794952455).

74647912313 is a wasteful number, since it uses less digits than its factorization.

74647912313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771823.

The product of its digits is 762048, while the sum is 47.

The spelling of 74647912313 in words is "seventy-four billion, six hundred forty-seven million, nine hundred twelve thousand, three hundred thirteen".

Divisors: 1 13 1523 19799 3770287 49013731 5742147101 74647912313