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11894637007 = 111789604433
BaseRepresentation
bin10110001001111100…
…11100000111001111
31010200221212011111101
423010332130013033
5143330011341012
65244143203531
7600521514001
oct130476340717
933627764441
1011894637007
115054237920
12237b5a65a7
131177393c66
1480ba32371
154993abd57
hex2c4f9c1cf

11894637007 has 8 divisors (see below), whose sum is σ = 12983242320. Its totient is φ = 10807244160.

The previous prime is 11894636953. The next prime is 11894637011. The reversal of 11894637007 is 70073649811.

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 11894637007 - 211 = 11894634959 is a prime.

It is a super-3 number, since 3×118946370073 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11894637017) 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, 282538 + ... + 321895.

It is an arithmetic number, because the mean of its divisors is an integer number (1622905290).

Almost surely, 211894637007 is an apocalyptic number.

11894637007 is a deficient number, since it is larger than the sum of its proper divisors (1088605313).

11894637007 is a wasteful number, since it uses less digits than its factorization.

11894637007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606233.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 11894637007 in words is "eleven billion, eight hundred ninety-four million, six hundred thirty-seven thousand, seven".

Divisors: 1 11 1789 19679 604433 6648763 1081330637 11894637007