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73228657241 = 175297813209
BaseRepresentation
bin100010000110011000…
…1001010001001011001
321000000102122012222102
41010030301022021121
52144433014012431
653350224133145
75201450213345
oct1041461121131
9230012565872
1073228657241
1129068739043
12122381671b5
136ba030ac1c
143789740625
151d88cbedcb
hex110cc4a259

73228657241 has 8 divisors (see below), whose sum is σ = 77550958440. Its totient is φ = 68907993088.

The previous prime is 73228657237. The next prime is 73228657259. The reversal of 73228657241 is 14275682237.

It can be written as a sum of positive squares in 4 ways, for example, as 43783470025 + 29445187216 = 209245^2 + 171596^2 .

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 73228657241 - 22 = 73228657237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73228657231) 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, 316556 + ... + 496653.

It is an arithmetic number, because the mean of its divisors is an integer number (9693869805).

Almost surely, 273228657241 is an apocalyptic number.

It is an amenable number.

73228657241 is a deficient number, since it is larger than the sum of its proper divisors (4322301199).

73228657241 is a wasteful number, since it uses less digits than its factorization.

73228657241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818523.

The product of its digits is 1128960, while the sum is 47.

The spelling of 73228657241 in words is "seventy-three billion, two hundred twenty-eight million, six hundred fifty-seven thousand, two hundred forty-one".

Divisors: 1 17 5297 90049 813209 13824553 4307568073 73228657241