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20473214650 = 252758494899
BaseRepresentation
bin10011000100010011…
…000111011010111010
31221211210222001201021
4103010103013122322
5313412120332100
613223312013054
71323226311310
oct230423073272
957753861637
1020473214650
118756661209
123b7453118a
131c13741cc5
14dc30a80b0
157ec592a1a
hex4c44c76ba

20473214650 has 24 divisors (see below), whose sum is σ = 43520205600. Its totient is φ = 7019387760.

The previous prime is 20473214639. The next prime is 20473214681. The reversal of 20473214650 is 5641237402.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 29247100 + ... + 29247799.

It is an arithmetic number, because the mean of its divisors is an integer number (1813341900).

Almost surely, 220473214650 is an apocalyptic number.

20473214650 is an abundant number, since it is smaller than the sum of its proper divisors (23046990950).

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

20473214650 is a wasteful number, since it uses less digits than its factorization.

20473214650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58494918 (or 58494913 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 20473214650 in words is "twenty billion, four hundred seventy-three million, two hundred fourteen thousand, six hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 58494899 116989798 292474495 409464293 584948990 818928586 1462372475 2047321465 2924744950 4094642930 10236607325 20473214650