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71672257601 = 717602287879
BaseRepresentation
bin100001010111111111…
…1111101110001000001
320211222221222221001022
41002233333331301001
52133241044220401
652531545115225
75115051065150
oct1025777756101
9224887887038
1071672257601
112843a136a4a
1211a82a88b15
1369b2a2c6a9
14367cb59597
151ce733471b
hex10afffdc41

71672257601 has 8 divisors (see below), whose sum is σ = 86729454720. Its totient is φ = 57819636288.

The previous prime is 71672257589. The next prime is 71672257603. The reversal of 71672257601 is 10675227617.

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 71672257601 - 210 = 71672256577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71672257603) 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, 301143821 + ... + 301144058.

It is an arithmetic number, because the mean of its divisors is an integer number (10841181840).

Almost surely, 271672257601 is an apocalyptic number.

It is an amenable number.

71672257601 is a deficient number, since it is larger than the sum of its proper divisors (15057197119).

71672257601 is a wasteful number, since it uses less digits than its factorization.

71672257601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602287903.

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 71672257601 in words is "seventy-one billion, six hundred seventy-two million, two hundred fifty-seven thousand, six hundred one".

Divisors: 1 7 17 119 602287879 4216015153 10238893943 71672257601