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472455281448252 = 223261215143570787
BaseRepresentation
bin110101101101100100001000…
…1001110010001010100111100
32021221211021122220002122111200
41223123020101032101110330
5443411201404022321002
64352454543205015500
7201341524210356504
oct15333102116212474
92257737586078450
10472455281448252
111275a2183548213
1244ba4bb99b4590
131738145a12937b
148494d59a58a04
1539949a588db1c
hex1adb21139153c

472455281448252 has 36 divisors (see below), whose sum is σ = 1213840026385896. Its totient is φ = 154903370965920.

The previous prime is 472455281448251. The next prime is 472455281448257. The reversal of 472455281448252 is 252844182554274.

472455281448252 is a `hidden beast` number, since 4 + 7 + 2 + 4 + 5 + 528 + 14 + 48 + 2 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 472455281448252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472455281448251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107571783198 + ... + 107571787589.

Almost surely, 2472455281448252 is an apocalyptic number.

It is an amenable number.

472455281448252 is an abundant number, since it is smaller than the sum of its proper divisors (741384744937644).

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

472455281448252 is a wasteful number, since it uses less digits than its factorization.

472455281448252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215143570858 (or 215143570853 counting only the distinct ones).

The product of its digits is 229376000, while the sum is 63.

The spelling of 472455281448252 in words is "four hundred seventy-two trillion, four hundred fifty-five billion, two hundred eighty-one million, four hundred forty-eight thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 61 122 183 244 366 549 732 1098 2196 215143570787 430287141574 645430712361 860574283148 1290861424722 1936292137083 2581722849444 3872584274166 7745168548332 13123757818007 26247515636014 39371273454021 52495031272028 78742546908042 118113820362063 157485093816084 236227640724126 472455281448252