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501660107 = 13223129061
BaseRepresentation
bin11101111001101…
…011100111001011
31021221221222021222
4131321223213023
52011411110412
6121440152255
715301016624
oct3571534713
91257858258
10501660107
112381a0733
1212000868b
137cc16900
144a8a8a4b
152e095072
hex1de6b9cb

501660107 has 12 divisors (see below), whose sum is σ = 566840304. Its totient is φ = 442933920.

The previous prime is 501660083. The next prime is 501660113. The reversal of 501660107 is 701066105.

It is not a de Polignac number, because 501660107 - 26 = 501660043 is a prime.

It is a super-3 number, since 3×5016601073 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501665107) 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 11 ways as a sum of consecutive naturals, for example, 60644 + ... + 68417.

It is an arithmetic number, because the mean of its divisors is an integer number (47236692).

Almost surely, 2501660107 is an apocalyptic number.

501660107 is a deficient number, since it is larger than the sum of its proper divisors (65180197).

501660107 is a wasteful number, since it uses less digits than its factorization.

501660107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129110 (or 129097 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 501660107 is about 22397.7701345469. The cubic root of 501660107 is about 794.5779741269.

The spelling of 501660107 in words is "five hundred one million, six hundred sixty thousand, one hundred seven".

Divisors: 1 13 23 169 299 3887 129061 1677793 2968403 21811309 38589239 501660107