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11807900473 = 38033104891
BaseRepresentation
bin10101111111100111…
…00100001100111001
31010110220122111100011
422333303210030321
5143140310303343
65231404141521
7565416332545
oct127763441471
933426574304
1011807900473
11500a285436
1223565378a1
131162415575
148002d4a25
1549197729d
hex2bfce4339

11807900473 has 4 divisors (see below), whose sum is σ = 11811009168. Its totient is φ = 11804791780.

The previous prime is 11807900459. The next prime is 11807900483. The reversal of 11807900473 is 37400970811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11807900473 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11807900483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1548643 + ... + 1556248.

It is an arithmetic number, because the mean of its divisors is an integer number (2952752292).

Almost surely, 211807900473 is an apocalyptic number.

It is an amenable number.

11807900473 is a deficient number, since it is larger than the sum of its proper divisors (3108695).

11807900473 is an equidigital number, since it uses as much as digits as its factorization.

11807900473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108694.

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 11807900473 in words is "eleven billion, eight hundred seven million, nine hundred thousand, four hundred seventy-three".

Divisors: 1 3803 3104891 11807900473