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472455264216081 = 3157485088072027
BaseRepresentation
bin110101101101100100001000…
…0001100100010010000010001
32021221211021121200200011102010
41223123020100030202100101
5443411201340114403311
64352454541351413133
7201341523611036106
oct15333102014422021
92257737550604363
10472455264216081
111275a2174848453
1244ba4bb40841a9
13173814566a4a13
148494d57650aad
1539949a40d7da6
hex1adb210322411

472455264216081 has 4 divisors (see below), whose sum is σ = 629940352288112. Its totient is φ = 314970176144052.

The previous prime is 472455264216029. The next prime is 472455264216109. The reversal of 472455264216081 is 180612462554274.

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 not a de Polignac number, because 472455264216081 - 213 = 472455264207889 is a prime.

It is a super-2 number, since 2×4724552642160812 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472455264216011) 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, 78742544036011 + ... + 78742544036016.

It is an arithmetic number, because the mean of its divisors is an integer number (157485088072028).

Almost surely, 2472455264216081 is an apocalyptic number.

It is an amenable number.

472455264216081 is a deficient number, since it is larger than the sum of its proper divisors (157485088072031).

472455264216081 is a wasteful number, since it uses less digits than its factorization.

472455264216081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157485088072030.

The product of its (nonzero) digits is 25804800, while the sum is 57.

The spelling of 472455264216081 in words is "four hundred seventy-two trillion, four hundred fifty-five billion, two hundred sixty-four million, two hundred sixteen thousand, eighty-one".

Divisors: 1 3 157485088072027 472455264216081