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74903850689 = 193722879699
BaseRepresentation
bin100010111000010011…
…1100000111011000001
321011100011210212101012
41011300213200323001
52211400341210224
654224345250305
75261121140303
oct1056047407301
9234304725335
1074903850689
11298482a8738
1212625193995
1370a93b0355
1438a8009973
151e35dc380e
hex11709e0ec1

74903850689 has 12 divisors (see below), whose sum is σ = 81034758000. Its totient is φ = 69043639248.

The previous prime is 74903850677. The next prime is 74903850701. The reversal of 74903850689 is 98605830947.

It is an interprime number because it is at equal distance from previous prime (74903850677) and next prime (74903850701).

It is not a de Polignac number, because 74903850689 - 24 = 74903850673 is a prime.

It is a super-2 number, since 2×749038506892 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74903870689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1413839 + ... + 1465860.

It is an arithmetic number, because the mean of its divisors is an integer number (6752896500).

Almost surely, 274903850689 is an apocalyptic number.

It is an amenable number.

74903850689 is a deficient number, since it is larger than the sum of its proper divisors (6130907311).

74903850689 is a wasteful number, since it uses less digits than its factorization.

74903850689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879792 (or 2879755 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 74903850689 in words is "seventy-four billion, nine hundred three million, eight hundred fifty thousand, six hundred eighty-nine".

Divisors: 1 19 37 703 1369 26011 2879699 54714281 106548863 2024428397 3942307931 74903850689