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10669404501 = 327224193661
BaseRepresentation
bin10011110111111001…
…00011000101010101
31000112120100220110200
421323330203011111
5133322331421001
64522414211113
7525253304400
oct117374430525
930476326420
1010669404501
114585667578
1220991b3a99
1310105a6802
14733014d37
15426a3a086
hex27bf23155

10669404501 has 18 divisors (see below), whose sum is σ = 17927503542. Its totient is φ = 6096802320.

The previous prime is 10669404479. The next prime is 10669404503. The reversal of 10669404501 is 10540496601.

10669404501 is a `hidden beast` number, since 1 + 0 + 66 + 94 + 0 + 4 + 501 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9210240900 + 1459163601 = 95970^2 + 38199^2 .

It is not a de Polignac number, because 10669404501 - 27 = 10669404373 is a prime.

It is a super-2 number, since 2×106694045012 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10669404503) 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 17 ways as a sum of consecutive naturals, for example, 12096390 + ... + 12097271.

It is an arithmetic number, because the mean of its divisors is an integer number (995972419).

Almost surely, 210669404501 is an apocalyptic number.

It is an amenable number.

10669404501 is a deficient number, since it is larger than the sum of its proper divisors (7258099041).

10669404501 is a wasteful number, since it uses less digits than its factorization.

10669404501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24193681 (or 24193671 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 10669404501 in words is "ten billion, six hundred sixty-nine million, four hundred four thousand, five hundred one".

Divisors: 1 3 7 9 21 49 63 147 441 24193661 72580983 169355627 217742949 508066881 1185489389 1524200643 3556468167 10669404501