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3806498993 = 111087318349
BaseRepresentation
bin1110001011100010…
…1001000010110001
3100211021121011222012
43202320221002301
530243430431433
61425414252305
7163220464463
oct34270510261
910737534865
103806498993
111683740040
128a2957095
1348880158b
14281784133
151742a1848
hexe2e290b1

3806498993 has 8 divisors (see below), whose sum is σ = 4156377600. Its totient is φ = 3457259280.

The previous prime is 3806498989. The next prime is 3806499001. The reversal of 3806498993 is 3998946083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3806498993 - 22 = 3806498989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3806498963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147218 + ... + 171131.

It is an arithmetic number, because the mean of its divisors is an integer number (519547200).

Almost surely, 23806498993 is an apocalyptic number.

It is an amenable number.

3806498993 is a deficient number, since it is larger than the sum of its proper divisors (349878607).

3806498993 is a wasteful number, since it uses less digits than its factorization.

3806498993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319447.

The product of its (nonzero) digits is 10077696, while the sum is 59.

The square root of 3806498993 is about 61696.8313043709. The cubic root of 3806498993 is about 1561.3798596857.

The spelling of 3806498993 in words is "three billion, eight hundred six million, four hundred ninety-eight thousand, nine hundred ninety-three".

Divisors: 1 11 1087 11957 318349 3501839 346045363 3806498993