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74830285653 = 31719694911113
BaseRepresentation
bin100010110110000111…
…0111000101101010101
321011011001101101010020
41011230032320231111
52211223023120103
654213200415353
75256235635054
oct1055416705525
9234131341106
1074830285653
112980a822192
1212604617559
137097093c46
14389c33a39b
151e2e6e1753
hex116c3b8b55

74830285653 has 32 divisors (see below), whose sum is σ = 111228912000. Its totient is φ = 44470757376.

The previous prime is 74830285631. The next prime is 74830285667. The reversal of 74830285653 is 35658203847.

It is a happy number.

It is not a de Polignac number, because 74830285653 - 26 = 74830285589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 74830285596 and 74830285605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74830285853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6728025 + ... + 6739137.

It is an arithmetic number, because the mean of its divisors is an integer number (3475903500).

Almost surely, 274830285653 is an apocalyptic number.

It is an amenable number.

74830285653 is a deficient number, since it is larger than the sum of its proper divisors (36398626347).

74830285653 is a wasteful number, since it uses less digits than its factorization.

74830285653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18101.

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 74830285653 in words is "seventy-four billion, eight hundred thirty million, two hundred eighty-five thousand, six hundred fifty-three".

Divisors: 1 3 17 19 51 57 323 969 6949 11113 20847 33339 118133 132031 188921 211147 354399 396093 566763 633441 2244527 3589499 6733581 10768497 77224237 231672711 1312812029 1467260503 3938436087 4401781509 24943428551 74830285653