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472457552006518 = 21318171444307943
BaseRepresentation
bin110101101101100101001100…
…0100011110000110101110110
32021221211111112010112221220021
41223123022120203300311312
5443411221031303202033
64352500000354555354
7201341634400656061
oct15333123043606566
92257744463487807
10472457552006518
111275a313918a251
1244ba5532298b5a
131738172c663680
1484950d34218d8
153994a89d96b2d
hex1adb2988f0d76

472457552006518 has 8 divisors (see below), whose sum is σ = 763200660933648. Its totient is φ = 218057331695304.

The previous prime is 472457552006491. The next prime is 472457552006579. The reversal of 472457552006518 is 815600255754274.

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

It is a super-2 number, since 2×4724575520065182 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9085722153946 + ... + 9085722153997.

It is an arithmetic number, because the mean of its divisors is an integer number (95400082616706).

Almost surely, 2472457552006518 is an apocalyptic number.

472457552006518 is a deficient number, since it is larger than the sum of its proper divisors (290743108927130).

472457552006518 is a wasteful number, since it uses less digits than its factorization.

472457552006518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18171444307958.

The product of its (nonzero) digits is 94080000, while the sum is 61.

The spelling of 472457552006518 in words is "four hundred seventy-two trillion, four hundred fifty-seven billion, five hundred fifty-two million, six thousand, five hundred eighteen".

Divisors: 1 2 13 26 18171444307943 36342888615886 236228776003259 472457552006518