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500712172004 = 221121034529281
BaseRepresentation
bin1110100100101001100…
…01010110100111100100
31202212102111021210120102
413102110301112213210
531200424304001004
61022005103323232
751114054144512
oct7222461264744
91685374253512
10500712172004
11183394a70900
128105b5b0518
13382a885c525
141a33da494b2
15d05840c11e
hex7494c569e4

500712172004 has 18 divisors (see below), whose sum is σ = 963146761542. Its totient is φ = 227596441600.

The previous prime is 500712172003. The next prime is 500712172027. The reversal of 500712172004 is 400271217005.

It can be written as a sum of positive squares in only one way, i.e., 409405463104 + 91306708900 = 639848^2 + 302170^2 .

It is not an unprimeable number, because it can be changed into a prime (500712172001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 517264157 + ... + 517265124.

It is an arithmetic number, because the mean of its divisors is an integer number (53508153419).

Almost surely, 2500712172004 is an apocalyptic number.

It is an amenable number.

500712172004 is a deficient number, since it is larger than the sum of its proper divisors (462434589538).

500712172004 is a wasteful number, since it uses less digits than its factorization.

500712172004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034529307 (or 1034529294 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

Adding to 500712172004 its reverse (400271217005), we get a palindrome (900983389009).

The spelling of 500712172004 in words is "five hundred billion, seven hundred twelve million, one hundred seventy-two thousand, four".

Divisors: 1 2 4 11 22 44 121 242 484 1034529281 2069058562 4138117124 11379822091 22759644182 45519288364 125178043001 250356086002 500712172004