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20292793902 = 2322111534049
BaseRepresentation
bin10010111001100010…
…110111011000101110
31221101020110201222100
4102321202313120232
5313024423401102
613153344555530
71315605621303
oct227142673056
957336421870
1020292793902
118673831457
123b24022ba6
131bb5251774
14da71410aa
157db804a1c
hex4b98b762e

20292793902 has 24 divisors (see below), whose sum is σ = 43988630400. Its totient is φ = 6761047680.

The previous prime is 20292793799. The next prime is 20292793909. The reversal of 20292793902 is 20939729202.

20292793902 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20292793909) 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 11 ways as a sum of consecutive naturals, for example, 229027 + ... + 305022.

It is an arithmetic number, because the mean of its divisors is an integer number (1832859600).

Almost surely, 220292793902 is an apocalyptic number.

20292793902 is an abundant number, since it is smaller than the sum of its proper divisors (23695836498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20292793902 is a wasteful number, since it uses less digits than its factorization.

20292793902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536168 (or 536165 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 20292793902 in words is "twenty billion, two hundred ninety-two million, seven hundred ninety-three thousand, nine hundred two".

Divisors: 1 2 3 6 9 18 2111 4222 6333 12666 18999 37998 534049 1068098 1602147 3204294 4806441 9612882 1127377439 2254754878 3382132317 6764264634 10146396951 20292793902