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7089388149 = 32363129383
BaseRepresentation
bin1101001101000111…
…10111101001110101
3200022001221020021110
412212203313221311
5104004340410044
63131250105233
7340452543054
oct64643675165
920261836243
107089388149
113008858278
12145a27b219
1388c9a253c
144b378839b
152b75c46b9
hex1a68f7a75

7089388149 has 4 divisors (see below), whose sum is σ = 9452517536. Its totient is φ = 4726258764.

The previous prime is 7089388147. The next prime is 7089388151. The reversal of 7089388149 is 9418839807.

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 an interprime number because it is at equal distance from previous prime (7089388147) and next prime (7089388151).

It is not a de Polignac number, because 7089388149 - 21 = 7089388147 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 (7089388147) 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, 1181564689 + ... + 1181564694.

It is an arithmetic number, because the mean of its divisors is an integer number (2363129384).

Almost surely, 27089388149 is an apocalyptic number.

It is an amenable number.

7089388149 is a deficient number, since it is larger than the sum of its proper divisors (2363129387).

7089388149 is a wasteful number, since it uses less digits than its factorization.

7089388149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363129386.

The product of its (nonzero) digits is 3483648, while the sum is 57.

The square root of 7089388149 is about 84198.5044344613. The cubic root of 7089388149 is about 1921.0393090040.

The spelling of 7089388149 in words is "seven billion, eighty-nine million, three hundred eighty-eight thousand, one hundred forty-nine".

Divisors: 1 3 2363129383 7089388149