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3903812013 = 312473104327
BaseRepresentation
bin1110100010101111…
…0111000110101101
3101002001201012100010
43220223313012231
530443333441023
61443212123433
7165511566063
oct35053670655
911061635303
103903812013
111723666822
1290b466579
134a2a1404a
14290676033
1517cac5093
hexe8af71ad

3903812013 has 8 divisors (see below), whose sum is σ = 5205549888. Its totient is φ = 2602307744.

The previous prime is 3903812009. The next prime is 3903812023. The reversal of 3903812013 is 3102183093.

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 3903812013 - 22 = 3903812009 is a prime.

It is a super-2 number, since 2×39038120132 = 30479496465686224338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3903812023) 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 7 ways as a sum of consecutive naturals, for example, 14745 + ... + 89582.

It is an arithmetic number, because the mean of its divisors is an integer number (650693736).

Almost surely, 23903812013 is an apocalyptic number.

It is an amenable number.

3903812013 is a deficient number, since it is larger than the sum of its proper divisors (1301737875).

3903812013 is a wasteful number, since it uses less digits than its factorization.

3903812013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116803.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 3903812013 is about 62480.4930598343. The cubic root of 3903812013 is about 1574.5735992595.

The spelling of 3903812013 in words is "three billion, nine hundred three million, eight hundred twelve thousand, thirteen".

Divisors: 1 3 12473 37419 104327 312981 1301270671 3903812013