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71672760233 = 419171056707
BaseRepresentation
bin100001011000000000…
…1111000011110101001
320211222222221110112022
41002300001320132221
52133241211311413
652532003554225
75115055260434
oct1026001703651
9224888843468
1071672760233
112843a44a648
1211a8308b975
1369b2b773c9
14367cc4a81b
151ce73d3608
hex10b00787a9

71672760233 has 4 divisors (see below), whose sum is σ = 71843817360. Its totient is φ = 71501703108.

The previous prime is 71672760227. The next prime is 71672760251. The reversal of 71672760233 is 33206727617.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71672760233 - 26 = 71672760169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71672760283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85527935 + ... + 85528772.

It is an arithmetic number, because the mean of its divisors is an integer number (17960954340).

Almost surely, 271672760233 is an apocalyptic number.

It is an amenable number.

71672760233 is a deficient number, since it is larger than the sum of its proper divisors (171057127).

71672760233 is a wasteful number, since it uses less digits than its factorization.

71672760233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171057126.

The product of its (nonzero) digits is 444528, while the sum is 44.

The spelling of 71672760233 in words is "seventy-one billion, six hundred seventy-two million, seven hundred sixty thousand, two hundred thirty-three".

Divisors: 1 419 171056707 71672760233