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74900446243 = 723465220163
BaseRepresentation
bin100010111000001101…
…0100001110000100011
321011022221101220100121
41011300122201300203
52211344003234433
654224144301111
75261050200640
oct1056032416043
9234287356317
1074900446243
1129846392947
1212624011797
1370a878a89c
1438a77a0dc7
151e3594ec2d
hex11706a1c23

74900446243 has 8 divisors (see below), whose sum is σ = 89322271488. Its totient is φ = 61409061384.

The previous prime is 74900446241. The next prime is 74900446259. The reversal of 74900446243 is 34264400947.

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 74900446243 - 21 = 74900446241 is a prime.

It is a super-2 number, since 2×749004462432 (a number of 23 digits) contains 22 as substring.

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 74900446243.

It is not an unprimeable number, because it can be changed into a prime (74900446241) 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, 232609921 + ... + 232610242.

It is an arithmetic number, because the mean of its divisors is an integer number (11165283936).

Almost surely, 274900446243 is an apocalyptic number.

74900446243 is a deficient number, since it is larger than the sum of its proper divisors (14421825245).

74900446243 is a wasteful number, since it uses less digits than its factorization.

74900446243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465220193.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 74900446243 in words is "seventy-four billion, nine hundred million, four hundred forty-six thousand, two hundred forty-three".

Divisors: 1 7 23 161 465220163 3256541141 10700063749 74900446243