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7381112928 = 253773379397
BaseRepresentation
bin1101101111111001…
…01101100001100000
3201001101212101102220
412313330231201200
5110104031103203
63220230511040
7350624265450
oct66774554140
921041771386
107381112928
11314849a432
12151bb05480
13908263857
14500405d60
152d2eeb653
hex1b7f2d860

7381112928 has 192 divisors, whose sum is σ = 22562588160. Its totient is φ = 2069286912.

The previous prime is 7381112899. The next prime is 7381112929. The reversal of 7381112928 is 8292111837.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 7381112928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7381112929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18592026 + ... + 18592422.

It is an arithmetic number, because the mean of its divisors is an integer number (117513480).

Almost surely, 27381112928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7381112928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11281294080).

7381112928 is an abundant number, since it is smaller than the sum of its proper divisors (15181475232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7381112928 is a wasteful number, since it uses less digits than its factorization.

7381112928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 861 counting only the distinct ones).

The product of its digits is 48384, while the sum is 42.

The square root of 7381112928 is about 85913.4036574038. The cubic root of 7381112928 is about 1947.0358584398.

The spelling of 7381112928 in words is "seven billion, three hundred eighty-one million, one hundred twelve thousand, nine hundred twenty-eight".