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74418481447 = 541138199607
BaseRepresentation
bin100010101001110101…
…1111110100100100111
321010002100111112221121
41011103223332210213
52204402112401242
654104250154411
75243105440522
oct1052353764447
9233070445847
1074418481447
1129619324632
121250a722a07
13702c97b80b
14385d781bb9
151e0849a667
hex1153afe927

74418481447 has 8 divisors (see below), whose sum is σ = 74610774752. Its totient is φ = 74226391200.

The previous prime is 74418481429. The next prime is 74418481453.

74418481447 is nontrivially palindromic in base 10.

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 74418481447 - 223 = 74410092839 is a prime.

It is a super-2 number, since 2×744184814472 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74418481394 and 74418481403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74418488447) 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, 697318 + ... + 796924.

It is an arithmetic number, because the mean of its divisors is an integer number (9326346844).

Almost surely, 274418481447 is an apocalyptic number.

74418481447 is a deficient number, since it is larger than the sum of its proper divisors (192293305).

74418481447 is a wasteful number, since it uses less digits than its factorization.

74418481447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101529.

The product of its digits is 3211264, while the sum is 52.

The spelling of 74418481447 in words is "seventy-four billion, four hundred eighteen million, four hundred eighty-one thousand, four hundred forty-seven".

Divisors: 1 541 1381 99607 747121 53887387 137557267 74418481447