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72476096669 = 131275521147
BaseRepresentation
bin100001101111111101…
…0010111100010011101
320221001222120011221122
41003133322113202131
52141412340043134
653143422140325
75144011441244
oct1033772274235
9227058504848
1072476096669
112881195a159
12120681216a5
136ab0427b02
14371780395b
151d42bb902e
hex10dfe9789d

72476096669 has 4 divisors (see below), whose sum is σ = 72481630944. Its totient is φ = 72470562396.

The previous prime is 72476096633. The next prime is 72476096689. The reversal of 72476096669 is 96669067427.

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 a de Polignac number, because none of the positive numbers 2k-72476096669 is a prime.

It is a super-2 number, since 2×724760966692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72476096629) 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, 2747447 + ... + 2773700.

It is an arithmetic number, because the mean of its divisors is an integer number (18120407736).

Almost surely, 272476096669 is an apocalyptic number.

It is an amenable number.

72476096669 is a deficient number, since it is larger than the sum of its proper divisors (5534275).

72476096669 is a wasteful number, since it uses less digits than its factorization.

72476096669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534274.

The product of its (nonzero) digits is 41150592, while the sum is 62.

The spelling of 72476096669 in words is "seventy-two billion, four hundred seventy-six million, ninety-six thousand, six hundred sixty-nine".

Divisors: 1 13127 5521147 72476096669