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20488270246 = 210244135123
BaseRepresentation
bin10011000101001100…
…100011000110100110
31221212212021222002221
4103011030203012212
5313424444121441
613225010422554
71323501265213
oct230514430646
957785258087
1020488270246
118764104754
123b79591a5a
131c168b3a42
14dc50a6b0a
157eda688d1
hex4c53231a6

20488270246 has 4 divisors (see below), whose sum is σ = 30732405372. Its totient is φ = 10244135122.

The previous prime is 20488270217. The next prime is 20488270333. The reversal of 20488270246 is 64207288402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5122067560 + ... + 5122067563.

It is an arithmetic number, because the mean of its divisors is an integer number (7683101343).

Almost surely, 220488270246 is an apocalyptic number.

20488270246 is a deficient number, since it is larger than the sum of its proper divisors (10244135126).

20488270246 is a wasteful number, since it uses less digits than its factorization.

20488270246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10244135125.

The product of its (nonzero) digits is 344064, while the sum is 43.

The spelling of 20488270246 in words is "twenty billion, four hundred eighty-eight million, two hundred seventy thousand, two hundred forty-six".

Divisors: 1 2 10244135123 20488270246