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20473732983 = 311799977877
BaseRepresentation
bin10011000100010101…
…000101111101110111
31221211211221101201210
4103010111011331313
5313412233423413
613223331052503
71323233600424
oct230425057567
957754841653
1020473732983
118756985690
123b74741133
131c13893c02
14dc31a0d4b
157ec6463c3
hex4c4545f77

20473732983 has 32 divisors (see below), whose sum is σ = 30191016960. Its totient is φ = 12237413760.

The previous prime is 20473732973. The next prime is 20473732999. The reversal of 20473732983 is 38923737402.

It is not a de Polignac number, because 20473732983 - 26 = 20473732919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20473732913) 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 31 ways as a sum of consecutive naturals, for example, 2595241 + ... + 2603117.

It is an arithmetic number, because the mean of its divisors is an integer number (943469280).

Almost surely, 220473732983 is an apocalyptic number.

20473732983 is a deficient number, since it is larger than the sum of its proper divisors (9717283977).

20473732983 is a wasteful number, since it uses less digits than its factorization.

20473732983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8967.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 20473732983 in words is "twenty billion, four hundred seventy-three million, seven hundred thirty-two thousand, nine hundred eighty-three".

Divisors: 1 3 11 33 79 237 869 997 2607 2991 7877 10967 23631 32901 78763 86647 236289 259941 622283 866393 1866849 2599179 6845113 7853369 20535339 23560107 86387059 259161177 620416151 1861248453 6824577661 20473732983