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472772365141781 = 4114977389485209
BaseRepresentation
bin110101101111110111110010…
…0111000100100011100010101
32021222221121010000000020002202
41223133233210320210130111
5443431400300434014111
64353300343133014245
7201403450636321625
oct15337574470443425
92258847100006082
10472772365141781
111277046a7a772a1
1245036550624385
13173a53203a2973
1484a6439a24885
15399cd62c57b3b
hex1adfbe4e24715

472772365141781 has 8 divisors (see below), whose sum is σ = 487553756823000. Its totient is φ = 458145752431360.

The previous prime is 472772365141771. The next prime is 472772365141831. The reversal of 472772365141781 is 187141563277274.

It can be written as a sum of positive squares in 4 ways, for example, as 38318996974756 + 434453368167025 = 6190234^2 + 20843545^2 .

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 472772365141781 - 218 = 472772364879637 is a prime.

It is a super-2 number, since 2×4727723651417812 (a number of 30 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 (472772365141771) 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, 38694736496 + ... + 38694748713.

It is an arithmetic number, because the mean of its divisors is an integer number (60944219602875).

Almost surely, 2472772365141781 is an apocalyptic number.

472772365141781 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

472772365141781 is a deficient number, since it is larger than the sum of its proper divisors (14781391681219).

472772365141781 is a wasteful number, since it uses less digits than its factorization.

472772365141781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77389485399.

The product of its digits is 110638080, while the sum is 65.

The spelling of 472772365141781 in words is "four hundred seventy-two trillion, seven hundred seventy-two billion, three hundred sixty-five million, one hundred forty-one thousand, seven hundred eighty-one".

Divisors: 1 41 149 6109 77389485209 3172968893569 11531033296141 472772365141781