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73690842340 = 2253739878129
BaseRepresentation
bin100010010100001010…
…0010000010011100100
321001012122022122202001
41010220110100103210
52201404323423330
653504134255044
75216061552643
oct1045024202344
9231178278661
1073690842340
11292856175a5
1212346ab7484
136c44cb2c2b
1437d0c9135a
151db46689ca
hex11285104e4

73690842340 has 24 divisors (see below), whose sum is σ = 155165666040. Its totient is φ = 29397308928.

The previous prime is 73690842311. The next prime is 73690842347. The reversal of 73690842340 is 4324809637.

It can be written as a sum of positive squares in 4 ways, for example, as 14470646436 + 59220195904 = 120294^2 + 243352^2 .

It is not an unprimeable number, because it can be changed into a prime (73690842347) 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, 4931605 + ... + 4946524.

It is an arithmetic number, because the mean of its divisors is an integer number (6465236085).

Almost surely, 273690842340 is an apocalyptic number.

It is an amenable number.

73690842340 is an abundant number, since it is smaller than the sum of its proper divisors (81474823700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73690842340 is a wasteful number, since it uses less digits than its factorization.

73690842340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9878511 (or 9878509 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 73690842340 in words is "seventy-three billion, six hundred ninety million, eight hundred forty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 373 746 1492 1865 3730 7460 9878129 19756258 39512516 49390645 98781290 197562580 3684542117 7369084234 14738168468 18422710585 36845421170 73690842340