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20695717036 = 2213783945013
BaseRepresentation
bin10011010001100011…
…111001010010101100
31222102022122100121101
4103101203321102230
5314341100421121
613301341012444
71331600456311
oct232143712254
958368570541
1020695717036
118860213585
124016b54124
131c4a877717
141004866d08
15811d94491
hex4d18f94ac

20695717036 has 24 divisors (see below), whose sum is σ = 36526160160. Its totient is φ = 10259855232.

The previous prime is 20695717001. The next prime is 20695717043. The reversal of 20695717036 is 63071759602.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437266 + ... + 482278.

It is an arithmetic number, because the mean of its divisors is an integer number (1521923340).

Almost surely, 220695717036 is an apocalyptic number.

It is an amenable number.

20695717036 is a deficient number, since it is larger than the sum of its proper divisors (15830443124).

20695717036 is a wasteful number, since it uses less digits than its factorization.

20695717036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45993 (or 45991 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 20695717036 in words is "twenty billion, six hundred ninety-five million, seven hundred seventeen thousand, thirty-six".

Divisors: 1 2 4 137 274 548 839 1678 3356 45013 90026 114943 180052 229886 459772 6166781 12333562 24667124 37765907 75531814 151063628 5173929259 10347858518 20695717036