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10287606469 = 72545757731
BaseRepresentation
bin10011001010011000…
…00110101011000101
3222112221221120000211
421211030012223011
5132032111401334
64420455035421
7512636132530
oct114514065305
928487846024
1010287606469
1143aa0a4008
121bb136bb71
13c7c46910a
146d842ba17
1540326ea64
hex265306ac5

10287606469 has 8 divisors (see below), whose sum is σ = 11757930048. Its totient is φ = 8817449280.

The previous prime is 10287606443. The next prime is 10287606473. The reversal of 10287606469 is 96460678201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10287606469 - 215 = 10287573701 is a prime.

It is a super-2 number, since 2×102876064692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10287600469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149334 + ... + 207064.

It is an arithmetic number, because the mean of its divisors is an integer number (1469741256).

Almost surely, 210287606469 is an apocalyptic number.

It is an amenable number.

10287606469 is a deficient number, since it is larger than the sum of its proper divisors (1470323579).

10287606469 is an equidigital number, since it uses as much as digits as its factorization.

10287606469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83195.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 10287606469 in words is "ten billion, two hundred eighty-seven million, six hundred six thousand, four hundred sixty-nine".

Divisors: 1 7 25457 57731 178199 404117 1469658067 10287606469