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14157019669 = 138429129197
BaseRepresentation
bin11010010111101001…
…01111101000010101
31100112121221010001211
431023310233220111
5212443144112134
610300442021421
71010552452552
oct151364575025
940477833054
1014157019669
1160052a5461
1228b11a7871
131447cc7c20
149842aba29
1557ccec764
hex34bd2fa15

14157019669 has 8 divisors (see below), whose sum is σ = 15247947960. Its totient is φ = 13066366656.

The previous prime is 14157019663. The next prime is 14157019673. The reversal of 14157019669 is 96691075141.

It can be written as a sum of positive squares in 4 ways, for example, as 383180625 + 13773839044 = 19575^2 + 117362^2 .

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 14157019669 - 215 = 14156986901 is a prime.

It is a super-2 number, since 2×141570196692 (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 (14157019663) 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 7 ways as a sum of consecutive naturals, for example, 44979 + ... + 174175.

It is an arithmetic number, because the mean of its divisors is an integer number (1905993495).

Almost surely, 214157019669 is an apocalyptic number.

It is an amenable number.

14157019669 is a deficient number, since it is larger than the sum of its proper divisors (1090928291).

14157019669 is a wasteful number, since it uses less digits than its factorization.

14157019669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137639.

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 14157019669 in words is "fourteen billion, one hundred fifty-seven million, nineteen thousand, six hundred sixty-nine".

Divisors: 1 13 8429 109577 129197 1679561 1089001513 14157019669