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1119868813 = 7296353993
BaseRepresentation
bin100001010111111…
…1101011110001101
32220001020020012201
41002233331132031
54243141300223
6303042401501
736515504440
oct10257753615
92801206181
101119868813
11525156018
12273060291
1314b01948b
14a8a31657
15684acead
hex42bfd78d

1119868813 has 8 divisors (see below), whose sum is σ = 1280305728. Its totient is φ = 959545824.

The previous prime is 1119868807. The next prime is 1119868817. The reversal of 1119868813 is 3188689111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1119868813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119868817) 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, 6256 + ... + 47737.

It is an arithmetic number, because the mean of its divisors is an integer number (160038216).

Almost surely, 21119868813 is an apocalyptic number.

It is an amenable number.

1119868813 is a deficient number, since it is larger than the sum of its proper divisors (160436915).

1119868813 is an equidigital number, since it uses as much as digits as its factorization.

1119868813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56963.

The product of its digits is 82944, while the sum is 46.

The square root of 1119868813 is about 33464.4410232713. The cubic root of 1119868813 is about 1038.4582718987.

The spelling of 1119868813 in words is "one billion, one hundred nineteen million, eight hundred sixty-eight thousand, eight hundred thirteen".

Divisors: 1 7 2963 20741 53993 377951 159981259 1119868813