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20493105482 = 2672236771013
BaseRepresentation
bin10011000101011110…
…111111100101001010
31221220012101121210202
4103011132333211022
5313432213333412
613225302212202
71323560344133
oct230536774512
957805347722
1020493105482
118766907513
123b7b124062
131c178b7825
14dc59a4c8a
157ee1c13c2
hex4c57bf94a

20493105482 has 32 divisors (see below), whose sum is σ = 31415634432. Its totient is φ = 10023609024.

The previous prime is 20493105469. The next prime is 20493105499. The reversal of 20493105482 is 28450139402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20229608 + ... + 20230620.

It is an arithmetic number, because the mean of its divisors is an integer number (981738576).

Almost surely, 220493105482 is an apocalyptic number.

20493105482 is a deficient number, since it is larger than the sum of its proper divisors (10922528950).

20493105482 is a wasteful number, since it uses less digits than its factorization.

20493105482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 20493105482 in words is "twenty billion, four hundred ninety-three million, one hundred five thousand, four hundred eighty-two".

Divisors: 1 2 67 134 223 446 677 1013 1354 2026 14941 29882 45359 67871 90718 135742 150971 225899 301942 451798 685801 1371602 10115057 15135233 20230114 30270466 45948667 91897334 152933623 305867246 10246552741 20493105482