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11772550473 = 317230834323
BaseRepresentation
bin10101111011011001…
…01101110101001001
31010101110010112020220
422331230231311021
5143102233103343
65224102340253
7564510012405
oct127554556511
933343115226
1011772550473
114aa1330462
12234672a689
131157cb93c8
147d9732105
1548d7e3183
hex2bdb2dd49

11772550473 has 8 divisors (see below), whose sum is σ = 16620071328. Its totient is φ = 7386698304.

The previous prime is 11772550469. The next prime is 11772550487. The reversal of 11772550473 is 37405527711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11772550473 - 22 = 11772550469 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11772550453) 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, 115417111 + ... + 115417212.

It is an arithmetic number, because the mean of its divisors is an integer number (2077508916).

Almost surely, 211772550473 is an apocalyptic number.

It is an amenable number.

11772550473 is a deficient number, since it is larger than the sum of its proper divisors (4847520855).

11772550473 is a wasteful number, since it uses less digits than its factorization.

11772550473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230834343.

The product of its (nonzero) digits is 205800, while the sum is 42.

The spelling of 11772550473 in words is "eleven billion, seven hundred seventy-two million, five hundred fifty thousand, four hundred seventy-three".

Divisors: 1 3 17 51 230834323 692502969 3924183491 11772550473