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20573291299 = 112642370783
BaseRepresentation
bin10011001010010000…
…111000001100100011
31222002210021111001211
4103022100320030203
5314113230310144
613241245010551
71325553043051
oct231220701443
958083244054
1020573291299
1187a80a5290
123ba1b53a57
131c2b3b1662
14dd24b91d1
15806260034
hex4ca438323

20573291299 has 8 divisors (see below), whose sum is σ = 22444756992. Its totient is φ = 18702020040.

The previous prime is 20573291281. The next prime is 20573291303. The reversal of 20573291299 is 99219237502.

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

It is a de Polignac number, because none of the positive numbers 2k-20573291299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20573291239) 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, 255262 + ... + 326044.

It is an arithmetic number, because the mean of its divisors is an integer number (2805594624).

Almost surely, 220573291299 is an apocalyptic number.

20573291299 is a deficient number, since it is larger than the sum of its proper divisors (1871465693).

20573291299 is a wasteful number, since it uses less digits than its factorization.

20573291299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97217.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 20573291299 in words is "twenty billion, five hundred seventy-three million, two hundred ninety-one thousand, two hundred ninety-nine".

Divisors: 1 11 26423 70783 290653 778613 1870299209 20573291299