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20473212701 = 373371641929
BaseRepresentation
bin10011000100010011…
…000110111100011101
31221211210221222001002
4103010103012330131
5313412120301301
613223312000045
71323226302524
oct230423067435
957753858032
1020473212701
11875665a7a7
123b74530025
131c13741156
14dc30a74bb
157ec59216b
hex4c44c6f1d

20473212701 has 8 divisors (see below), whose sum is σ = 21088948920. Its totient is φ = 19860761088.

The previous prime is 20473212677. The next prime is 20473212703. The reversal of 20473212701 is 10721237402.

It can be written as a sum of positive squares in 4 ways, for example, as 7270972900 + 13202239801 = 85270^2 + 114901^2 .

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 20473212701 - 210 = 20473211677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20473212703) by changing a digit.

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, 808496 + ... + 833433.

It is an arithmetic number, because the mean of its divisors is an integer number (2636118615).

Almost surely, 220473212701 is an apocalyptic number.

It is an amenable number.

20473212701 is a deficient number, since it is larger than the sum of its proper divisors (615736219).

20473212701 is a wasteful number, since it uses less digits than its factorization.

20473212701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642303.

The product of its (nonzero) digits is 4704, while the sum is 29.

The spelling of 20473212701 in words is "twenty billion, four hundred seventy-three million, two hundred twelve thousand, seven hundred one".

Divisors: 1 37 337 12469 1641929 60751373 553330073 20473212701