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472748505887648 = 2514773390808989
BaseRepresentation
bin110101101111101100101011…
…0110000101111001110100000
32021222212022112012121112102202
41223133121112300233032200
5443431002420001401043
64353241355422232332
7201401644453106144
oct15337312660571640
92258768465545382
10472748505887648
111276a5574055551
12450319b21256a8
13173a2cba2b5303
1484a5214d85224
15399c4182b91b8
hex1adf656c2f3a0

472748505887648 has 12 divisors (see below), whose sum is σ = 930723620966370. Its totient is φ = 236374252943808.

The previous prime is 472748505887639. The next prime is 472748505887689. The reversal of 472748505887648 is 846788505847274.

It can be written as a sum of positive squares in only one way, i.e., 472731435942544 + 17069945104 = 21742388^2 + 130652^2 .

It is a super-2 number, since 2×4727485058876482 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7386695404463 + ... + 7386695404526.

Almost surely, 2472748505887648 is an apocalyptic number.

It is an amenable number.

472748505887648 is a deficient number, since it is larger than the sum of its proper divisors (457975115078722).

472748505887648 is a wasteful number, since it uses less digits than its factorization.

472748505887648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14773390808999 (or 14773390808991 counting only the distinct ones).

The product of its (nonzero) digits is 26974617600, while the sum is 83.

The spelling of 472748505887648 in words is "four hundred seventy-two trillion, seven hundred forty-eight billion, five hundred five million, eight hundred eighty-seven thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 32 14773390808989 29546781617978 59093563235956 118187126471912 236374252943824 472748505887648