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472457783031620 = 225148915864935629
BaseRepresentation
bin110101101101100101010011…
…0010101000011011101000100
32021221211112010020021020202112
41223123022212111003131010
5443411222014424002440
64352500035330400152
7201341643204441461
oct15333124625033504
92257745106236675
10472457783031620
111275a3247632891
1244ba5597730058
1317381768491409
148495115d9c668
153994aa02cd965
hex1adb2a6543744

472457783031620 has 24 divisors (see below), whose sum is σ = 992827671725400. Its totient is φ = 188856193715712.

The previous prime is 472457783031607. The next prime is 472457783031659. The reversal of 472457783031620 is 26130387754274.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33700161273856 + 438757621757764 = 5805184^2 + 20946542^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 472457783031620.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7932438035 + ... + 7932497594.

It is an arithmetic number, because the mean of its divisors is an integer number (41367819655225).

Almost surely, 2472457783031620 is an apocalyptic number.

It is an amenable number.

472457783031620 is an abundant number, since it is smaller than the sum of its proper divisors (520369888693780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

472457783031620 is a wasteful number, since it uses less digits than its factorization.

472457783031620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15864937127 (or 15864937125 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 59.

The spelling of 472457783031620 in words is "four hundred seventy-two trillion, four hundred fifty-seven billion, seven hundred eighty-three million, thirty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 1489 2978 5956 7445 14890 29780 15864935629 31729871258 63459742516 79324678145 158649356290 317298712580 23622889151581 47245778303162 94491556606324 118114445757905 236228891515810 472457783031620